20408065898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{69263}}^1$

素因数の和:69562

約数の個数: 32

約数和(自身を含む): 34111134720

約数和(自身を除く): 13703068822

約数列:

[1, 2, 11, 22, 59, 118, 227, 454, 649, 1298, 2497, 4994, 13393, 26786, 69263, 138526, 147323, 294646, 761893, 1523786, 4086517, 8173034, 15722701, 31445402, 44951687, 89903374, 172949711, 345899422, 927639359, 1855278718, 10204032949, 20408065898]

約数ペア:

[(1, 20408065898), (2, 10204032949), (11, 1855278718), (22, 927639359), (59, 345899422), (118, 172949711), (227, 89903374), (454, 44951687), (649, 31445402), (1298, 15722701), (2497, 8173034), (4994, 4086517), (13393, 1523786), (26786, 761893), (69263, 294646), (138526, 147323)]