20148272

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 40778640

約数和(自身を除く): 20630368

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 173, 232, 251, 346, 464, 502, 692, 1004, 1384, 2008, 2768, 4016, 5017, 7279, 10034, 14558, 20068, 29116, 40136, 43423, 58232, 80272, 86846, 116464, 173692, 347384, 694768, 1259267, 2518534, 5037068, 10074136, 20148272]

約数ペア:

[(1, 20148272), (2, 10074136), (4, 5037068), (8, 2518534), (16, 1259267), (29, 694768), (58, 347384), (116, 173692), (173, 116464), (232, 86846), (251, 80272), (346, 58232), (464, 43423), (502, 40136), (692, 29116), (1004, 20068), (1384, 14558), (2008, 10034), (2768, 7279), (4016, 5017)]