20015974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 34279200

約数和(自身を除く): 14263226

約数列:

[1, 2, 11, 22, 29, 58, 137, 229, 274, 319, 458, 638, 1507, 2519, 3014, 3973, 5038, 6641, 7946, 13282, 31373, 43703, 62746, 73051, 87406, 146102, 345103, 690206, 909817, 1819634, 10007987, 20015974]

約数ペア:

[(1, 20015974), (2, 10007987), (11, 1819634), (22, 909817), (29, 690206), (58, 345103), (137, 146102), (229, 87406), (274, 73051), (319, 62746), (458, 43703), (638, 31373), (1507, 13282), (2519, 7946), (3014, 6641), (3973, 5038)]