20718878541

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1\times {\mathrm{3691}}^1$

素因数の和:4753

約数の個数: 32

約数和(自身を含む): 28938663936

約数和(自身を除く): 8219785395

約数列:

[1, 3, 41, 47, 123, 141, 971, 1927, 2913, 3691, 5781, 11073, 39811, 45637, 119433, 136911, 151331, 173477, 453993, 520431, 1871117, 3583961, 5613351, 7112557, 10751883, 21337671, 146942401, 168446167, 440827203, 505338501, 6906292847, 20718878541]

約数ペア:

[(1, 20718878541), (3, 6906292847), (41, 505338501), (47, 440827203), (123, 168446167), (141, 146942401), (971, 21337671), (1927, 10751883), (2913, 7112557), (3691, 5613351), (5781, 3583961), (11073, 1871117), (39811, 520431), (45637, 453993), (119433, 173477), (136911, 151331)]