20264456

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 39325440

約数和(自身を除く): 19060984

約数列:

[1, 2, 4, 8, 37, 74, 148, 223, 296, 307, 446, 614, 892, 1228, 1784, 2456, 8251, 11359, 16502, 22718, 33004, 45436, 66008, 68461, 90872, 136922, 273844, 547688, 2533057, 5066114, 10132228, 20264456]

約数ペア:

[(1, 20264456), (2, 10132228), (4, 5066114), (8, 2533057), (37, 547688), (74, 273844), (148, 136922), (223, 90872), (296, 68461), (307, 66008), (446, 45436), (614, 33004), (892, 22718), (1228, 16502), (1784, 11359), (2456, 8251)]