20138692798

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{1297}}^1$

素因数の和:1625

約数の個数: 64

約数和(自身を含む): 35588044800

約数和(自身を除く): 15449352002

約数列:

[1, 2, 7, 14, 79, 101, 139, 158, 202, 278, 553, 707, 973, 1106, 1297, 1414, 1946, 2594, 7979, 9079, 10981, 14039, 15958, 18158, 21962, 28078, 55853, 76867, 98273, 102463, 111706, 130997, 153734, 180283, 196546, 204926, 261994, 360566, 717241, 916979, 1109081, 1261981, 1434482, 1833958, 2218162, 2523962, 7763567, 10348763, 14242357, 15527134, 18208583, 20697526, 28484714, 36417166, 72441341, 99696499, 127460081, 144882682, 199392998, 254920162, 1438478057, 2876956114, 10069346399, 20138692798]

約数ペア:

[(1, 20138692798), (2, 10069346399), (7, 2876956114), (14, 1438478057), (79, 254920162), (101, 199392998), (139, 144882682), (158, 127460081), (202, 99696499), (278, 72441341), (553, 36417166), (707, 28484714), (973, 20697526), (1106, 18208583), (1297, 15527134), (1414, 14242357), (1946, 10348763), (2594, 7763567), (7979, 2523962), (9079, 2218162), (10981, 1833958), (14039, 1434482), (15958, 1261981), (18158, 1109081), (21962, 916979), (28078, 717241), (55853, 360566), (76867, 261994), (98273, 204926), (102463, 196546), (111706, 180283), (130997, 153734)]