20244840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:352

約数の個数: 192

約数和(自身を含む): 77319360

約数和(自身を除く): 57074520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 308, 313, 330, 385, 392, 420, 440, 462, 490, 539, 588, 616, 626, 660, 735, 770, 840, 924, 939, 980, 1078, 1155, 1176, 1252, 1320, 1470, 1540, 1565, 1617, 1848, 1878, 1960, 2156, 2191, 2310, 2504, 2695, 2940, 3080, 3130, 3234, 3443, 3756, 4312, 4382, 4620, 4695, 5390, 5880, 6260, 6468, 6573, 6886, 7512, 8085, 8764, 9240, 9390, 10329, 10780, 10955, 12520, 12936, 13146, 13772, 15337, 16170, 17215, 17528, 18780, 20658, 21560, 21910, 24101, 26292, 27544, 30674, 32340, 32865, 34430, 37560, 41316, 43820, 46011, 48202, 51645, 52584, 61348, 64680, 65730, 68860, 72303, 76685, 82632, 87640, 92022, 96404, 103290, 120505, 122696, 131460, 137720, 144606, 153370, 168707, 184044, 192808, 206580, 230055, 241010, 262920, 289212, 306740, 337414, 361515, 368088, 413160, 460110, 482020, 506121, 578424, 613480, 674828, 723030, 843535, 920220, 964040, 1012242, 1349656, 1446060, 1687070, 1840440, 2024484, 2530605, 2892120, 3374140, 4048968, 5061210, 6748280, 10122420, 20244840]

約数ペア:

[(1, 20244840), (2, 10122420), (3, 6748280), (4, 5061210), (5, 4048968), (6, 3374140), (7, 2892120), (8, 2530605), (10, 2024484), (11, 1840440), (12, 1687070), (14, 1446060), (15, 1349656), (20, 1012242), (21, 964040), (22, 920220), (24, 843535), (28, 723030), (30, 674828), (33, 613480), (35, 578424), (40, 506121), (42, 482020), (44, 460110), (49, 413160), (55, 368088), (56, 361515), (60, 337414), (66, 306740), (70, 289212), (77, 262920), (84, 241010), (88, 230055), (98, 206580), (105, 192808), (110, 184044), (120, 168707), (132, 153370), (140, 144606), (147, 137720), (154, 131460), (165, 122696), (168, 120505), (196, 103290), (210, 96404), (220, 92022), (231, 87640), (245, 82632), (264, 76685), (280, 72303), (294, 68860), (308, 65730), (313, 64680), (330, 61348), (385, 52584), (392, 51645), (420, 48202), (440, 46011), (462, 43820), (490, 41316), (539, 37560), (588, 34430), (616, 32865), (626, 32340), (660, 30674), (735, 27544), (770, 26292), (840, 24101), (924, 21910), (939, 21560), (980, 20658), (1078, 18780), (1155, 17528), (1176, 17215), (1252, 16170), (1320, 15337), (1470, 13772), (1540, 13146), (1565, 12936), (1617, 12520), (1848, 10955), (1878, 10780), (1960, 10329), (2156, 9390), (2191, 9240), (2310, 8764), (2504, 8085), (2695, 7512), (2940, 6886), (3080, 6573), (3130, 6468), (3234, 6260), (3443, 5880), (3756, 5390), (4312, 4695), (4382, 4620)]