20648370974

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{37049}}^1$

素因数の和:37134

約数の個数: 72

約数和(自身を含む): 40446151200

約数和(自身を除く): 19797780226

約数列:

[1, 2, 7, 11, 14, 22, 47, 49, 77, 94, 98, 121, 154, 242, 329, 517, 539, 658, 847, 1034, 1078, 1694, 2303, 3619, 4606, 5687, 5929, 7238, 11374, 11858, 25333, 37049, 39809, 50666, 74098, 79618, 259343, 278663, 407539, 518686, 557326, 815078, 1741303, 1815401, 2852773, 3482606, 3630802, 4482929, 5705546, 8965858, 12189121, 19154333, 19969411, 24378242, 31380503, 38308666, 39938822, 62761006, 85323847, 134080331, 170647694, 210697663, 219663521, 268160662, 421395326, 439327042, 938562317, 1474883641, 1877124634, 2949767282, 10324185487, 20648370974]

約数ペア:

[(1, 20648370974), (2, 10324185487), (7, 2949767282), (11, 1877124634), (14, 1474883641), (22, 938562317), (47, 439327042), (49, 421395326), (77, 268160662), (94, 219663521), (98, 210697663), (121, 170647694), (154, 134080331), (242, 85323847), (329, 62761006), (517, 39938822), (539, 38308666), (658, 31380503), (847, 24378242), (1034, 19969411), (1078, 19154333), (1694, 12189121), (2303, 8965858), (3619, 5705546), (4606, 4482929), (5687, 3630802), (5929, 3482606), (7238, 2852773), (11374, 1815401), (11858, 1741303), (25333, 815078), (37049, 557326), (39809, 518686), (50666, 407539), (74098, 278663), (79618, 259343)]