20530260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:92

約数の個数: 240

約数和(自身を含む): 73180800

約数和(自身を除く): 52650540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 27, 29, 30, 36, 38, 45, 46, 54, 57, 58, 60, 69, 76, 81, 87, 90, 92, 95, 108, 114, 115, 116, 135, 138, 145, 162, 171, 174, 180, 190, 207, 228, 230, 261, 270, 276, 285, 290, 324, 342, 345, 348, 380, 405, 414, 435, 437, 460, 513, 522, 540, 551, 570, 580, 621, 667, 684, 690, 783, 810, 828, 855, 870, 874, 1026, 1035, 1044, 1102, 1140, 1242, 1305, 1311, 1334, 1380, 1539, 1566, 1620, 1653, 1710, 1740, 1748, 1863, 2001, 2052, 2070, 2185, 2204, 2349, 2484, 2565, 2610, 2622, 2668, 2755, 3078, 3105, 3132, 3306, 3335, 3420, 3726, 3915, 3933, 4002, 4140, 4370, 4698, 4959, 5130, 5220, 5244, 5510, 6003, 6156, 6210, 6555, 6612, 6670, 7452, 7695, 7830, 7866, 8004, 8265, 8740, 9315, 9396, 9918, 10005, 10260, 11020, 11745, 11799, 12006, 12420, 12673, 13110, 13340, 14877, 15390, 15660, 15732, 16530, 18009, 18630, 19665, 19836, 20010, 23490, 23598, 24012, 24795, 25346, 26220, 29754, 30015, 30780, 33060, 35397, 36018, 37260, 38019, 39330, 40020, 44631, 46980, 47196, 49590, 50692, 54027, 58995, 59508, 60030, 63365, 70794, 72036, 74385, 76038, 78660, 89262, 90045, 99180, 108054, 114057, 117990, 120060, 126730, 141588, 148770, 152076, 176985, 178524, 180090, 190095, 216108, 223155, 228114, 235980, 253460, 270135, 297540, 342171, 353970, 360180, 380190, 446310, 456228, 540270, 570285, 684342, 707940, 760380, 892620, 1026513, 1080540, 1140570, 1368684, 1710855, 2053026, 2281140, 3421710, 4106052, 5132565, 6843420, 10265130, 20530260]

約数ペア:

[(1, 20530260), (2, 10265130), (3, 6843420), (4, 5132565), (5, 4106052), (6, 3421710), (9, 2281140), (10, 2053026), (12, 1710855), (15, 1368684), (18, 1140570), (19, 1080540), (20, 1026513), (23, 892620), (27, 760380), (29, 707940), (30, 684342), (36, 570285), (38, 540270), (45, 456228), (46, 446310), (54, 380190), (57, 360180), (58, 353970), (60, 342171), (69, 297540), (76, 270135), (81, 253460), (87, 235980), (90, 228114), (92, 223155), (95, 216108), (108, 190095), (114, 180090), (115, 178524), (116, 176985), (135, 152076), (138, 148770), (145, 141588), (162, 126730), (171, 120060), (174, 117990), (180, 114057), (190, 108054), (207, 99180), (228, 90045), (230, 89262), (261, 78660), (270, 76038), (276, 74385), (285, 72036), (290, 70794), (324, 63365), (342, 60030), (345, 59508), (348, 58995), (380, 54027), (405, 50692), (414, 49590), (435, 47196), (437, 46980), (460, 44631), (513, 40020), (522, 39330), (540, 38019), (551, 37260), (570, 36018), (580, 35397), (621, 33060), (667, 30780), (684, 30015), (690, 29754), (783, 26220), (810, 25346), (828, 24795), (855, 24012), (870, 23598), (874, 23490), (1026, 20010), (1035, 19836), (1044, 19665), (1102, 18630), (1140, 18009), (1242, 16530), (1305, 15732), (1311, 15660), (1334, 15390), (1380, 14877), (1539, 13340), (1566, 13110), (1620, 12673), (1653, 12420), (1710, 12006), (1740, 11799), (1748, 11745), (1863, 11020), (2001, 10260), (2052, 10005), (2070, 9918), (2185, 9396), (2204, 9315), (2349, 8740), (2484, 8265), (2565, 8004), (2610, 7866), (2622, 7830), (2668, 7695), (2755, 7452), (3078, 6670), (3105, 6612), (3132, 6555), (3306, 6210), (3335, 6156), (3420, 6003), (3726, 5510), (3915, 5244), (3933, 5220), (4002, 5130), (4140, 4959), (4370, 4698)]