20612340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 288

約数和(自身を含む): 80438400

約数和(自身を除く): 59826060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 41, 42, 45, 49, 54, 57, 60, 63, 70, 76, 82, 84, 90, 95, 98, 105, 108, 114, 123, 126, 133, 135, 140, 147, 164, 171, 180, 189, 190, 196, 205, 210, 228, 245, 246, 252, 266, 270, 285, 287, 294, 315, 342, 369, 378, 380, 399, 410, 420, 441, 490, 492, 513, 532, 540, 570, 574, 588, 615, 630, 665, 684, 735, 738, 756, 779, 798, 820, 855, 861, 882, 931, 945, 980, 1026, 1107, 1140, 1148, 1197, 1230, 1260, 1323, 1330, 1435, 1470, 1476, 1558, 1596, 1710, 1722, 1764, 1845, 1862, 1890, 1995, 2009, 2052, 2205, 2214, 2337, 2394, 2460, 2565, 2583, 2646, 2660, 2793, 2870, 2940, 3116, 3420, 3444, 3591, 3690, 3724, 3780, 3895, 3990, 4018, 4305, 4410, 4428, 4655, 4674, 4788, 5130, 5166, 5292, 5453, 5535, 5586, 5740, 5985, 6027, 6615, 7011, 7182, 7380, 7749, 7790, 7980, 8036, 8379, 8610, 8820, 9310, 9348, 10045, 10260, 10332, 10906, 11070, 11172, 11685, 11970, 12054, 12915, 13230, 13965, 14022, 14364, 15498, 15580, 16359, 16758, 17220, 17955, 18081, 18620, 20090, 21033, 21812, 22140, 23370, 23940, 24108, 25137, 25830, 26460, 27265, 27930, 28044, 30135, 30996, 32718, 33516, 35055, 35910, 36162, 38171, 38745, 40180, 41895, 42066, 46740, 49077, 50274, 51660, 54243, 54530, 55860, 60270, 65436, 70110, 71820, 72324, 76342, 77490, 81795, 83790, 84132, 90405, 98154, 100548, 105165, 108486, 109060, 114513, 120540, 125685, 140220, 147231, 152684, 154980, 163590, 167580, 180810, 190855, 196308, 210330, 216972, 229026, 245385, 251370, 271215, 294462, 327180, 343539, 361620, 381710, 420660, 458052, 490770, 502740, 542430, 572565, 588924, 687078, 736155, 763420, 981540, 1030617, 1084860, 1145130, 1374156, 1472310, 1717695, 2061234, 2290260, 2944620, 3435390, 4122468, 5153085, 6870780, 10306170, 20612340]

約数ペア:

[(1, 20612340), (2, 10306170), (3, 6870780), (4, 5153085), (5, 4122468), (6, 3435390), (7, 2944620), (9, 2290260), (10, 2061234), (12, 1717695), (14, 1472310), (15, 1374156), (18, 1145130), (19, 1084860), (20, 1030617), (21, 981540), (27, 763420), (28, 736155), (30, 687078), (35, 588924), (36, 572565), (38, 542430), (41, 502740), (42, 490770), (45, 458052), (49, 420660), (54, 381710), (57, 361620), (60, 343539), (63, 327180), (70, 294462), (76, 271215), (82, 251370), (84, 245385), (90, 229026), (95, 216972), (98, 210330), (105, 196308), (108, 190855), (114, 180810), (123, 167580), (126, 163590), (133, 154980), (135, 152684), (140, 147231), (147, 140220), (164, 125685), (171, 120540), (180, 114513), (189, 109060), (190, 108486), (196, 105165), (205, 100548), (210, 98154), (228, 90405), (245, 84132), (246, 83790), (252, 81795), (266, 77490), (270, 76342), (285, 72324), (287, 71820), (294, 70110), (315, 65436), (342, 60270), (369, 55860), (378, 54530), (380, 54243), (399, 51660), (410, 50274), (420, 49077), (441, 46740), (490, 42066), (492, 41895), (513, 40180), (532, 38745), (540, 38171), (570, 36162), (574, 35910), (588, 35055), (615, 33516), (630, 32718), (665, 30996), (684, 30135), (735, 28044), (738, 27930), (756, 27265), (779, 26460), (798, 25830), (820, 25137), (855, 24108), (861, 23940), (882, 23370), (931, 22140), (945, 21812), (980, 21033), (1026, 20090), (1107, 18620), (1140, 18081), (1148, 17955), (1197, 17220), (1230, 16758), (1260, 16359), (1323, 15580), (1330, 15498), (1435, 14364), (1470, 14022), (1476, 13965), (1558, 13230), (1596, 12915), (1710, 12054), (1722, 11970), (1764, 11685), (1845, 11172), (1862, 11070), (1890, 10906), (1995, 10332), (2009, 10260), (2052, 10045), (2205, 9348), (2214, 9310), (2337, 8820), (2394, 8610), (2460, 8379), (2565, 8036), (2583, 7980), (2646, 7790), (2660, 7749), (2793, 7380), (2870, 7182), (2940, 7011), (3116, 6615), (3420, 6027), (3444, 5985), (3591, 5740), (3690, 5586), (3724, 5535), (3780, 5453), (3895, 5292), (3990, 5166), (4018, 5130), (4305, 4788), (4410, 4674), (4428, 4655)]