20665654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 34421760

約数和(自身を除く): 13756106

約数列:

[1, 2, 19, 31, 38, 53, 62, 106, 331, 589, 662, 1007, 1178, 1643, 2014, 3286, 6289, 10261, 12578, 17543, 20522, 31217, 35086, 62434, 194959, 333317, 389918, 543833, 666634, 1087666, 10332827, 20665654]

約数ペア:

[(1, 20665654), (2, 10332827), (19, 1087666), (31, 666634), (38, 543833), (53, 389918), (62, 333317), (106, 194959), (331, 62434), (589, 35086), (662, 31217), (1007, 20522), (1178, 17543), (1643, 12578), (2014, 10261), (3286, 6289)]