20194188980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{240007}}^1$

素因数の和:240624

約数の個数: 48

約数和(自身を含む): 48546898176

約数和(自身を除く): 28352709196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 601, 1202, 2404, 3005, 4207, 6010, 8414, 12020, 16828, 21035, 42070, 84140, 240007, 480014, 960028, 1200035, 1680049, 2400070, 3360098, 4800140, 6720196, 8400245, 16800490, 33600980, 144244207, 288488414, 576976828, 721221035, 1009709449, 1442442070, 2019418898, 2884884140, 4038837796, 5048547245, 10097094490, 20194188980]

約数ペア:

[(1, 20194188980), (2, 10097094490), (4, 5048547245), (5, 4038837796), (7, 2884884140), (10, 2019418898), (14, 1442442070), (20, 1009709449), (28, 721221035), (35, 576976828), (70, 288488414), (140, 144244207), (601, 33600980), (1202, 16800490), (2404, 8400245), (3005, 6720196), (4207, 4800140), (6010, 3360098), (8414, 2400070), (12020, 1680049), (16828, 1200035), (21035, 960028), (42070, 480014), (84140, 240007)]