20783864

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 39931920

約数和(自身を除く): 19148056

約数列:

[1, 2, 4, 8, 83, 113, 166, 226, 277, 332, 452, 554, 664, 904, 1108, 2216, 9379, 18758, 22991, 31301, 37516, 45982, 62602, 75032, 91964, 125204, 183928, 250408, 2597983, 5195966, 10391932, 20783864]

約数ペア:

[(1, 20783864), (2, 10391932), (4, 5195966), (8, 2597983), (83, 250408), (113, 183928), (166, 125204), (226, 91964), (277, 75032), (332, 62602), (452, 45982), (554, 37516), (664, 31301), (904, 22991), (1108, 18758), (2216, 9379)]