20010656645

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1\times {\mathrm{17107}}^1$

素因数の和:18897

約数の個数: 32

約数和(自身を含む): 28905676800

約数和(自身を除く): 8895020155

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 1759, 8795, 12313, 17107, 33421, 61565, 85535, 119749, 167105, 233947, 325033, 598745, 1169735, 1625165, 2275231, 11376155, 30091213, 150456065, 210638491, 571733047, 1053192455, 2858665235, 4002131329, 20010656645]

約数ペア:

[(1, 20010656645), (5, 4002131329), (7, 2858665235), (19, 1053192455), (35, 571733047), (95, 210638491), (133, 150456065), (665, 30091213), (1759, 11376155), (8795, 2275231), (12313, 1625165), (17107, 1169735), (33421, 598745), (61565, 325033), (85535, 233947), (119749, 167105)]