20124005135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{3121}}^1$

素因数の和:3408

約数の個数: 64

約数和(自身を含む): 28700421120

約数和(自身を除く): 8576415985

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 227, 247, 299, 437, 1135, 1235, 1495, 2185, 2951, 3121, 4313, 5221, 5681, 14755, 15605, 21565, 26105, 28405, 40573, 56069, 59299, 67873, 71783, 99199, 202865, 280345, 296495, 339365, 358915, 495995, 708467, 770887, 933179, 1289587, 1363877, 3542335, 3854435, 4665895, 6447935, 6819385, 9210071, 13460873, 16294741, 17730401, 46050355, 67304365, 81473705, 88652005, 174991349, 211831633, 309600079, 874956745, 1059158165, 1548000395, 4024801027, 20124005135]

約数ペア:

[(1, 20124005135), (5, 4024801027), (13, 1548000395), (19, 1059158165), (23, 874956745), (65, 309600079), (95, 211831633), (115, 174991349), (227, 88652005), (247, 81473705), (299, 67304365), (437, 46050355), (1135, 17730401), (1235, 16294741), (1495, 13460873), (2185, 9210071), (2951, 6819385), (3121, 6447935), (4313, 4665895), (5221, 3854435), (5681, 3542335), (14755, 1363877), (15605, 1289587), (21565, 933179), (26105, 770887), (28405, 708467), (40573, 495995), (56069, 358915), (59299, 339365), (67873, 296495), (71783, 280345), (99199, 202865)]