20408935948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{63493}}^1$

素因数の和:63706

約数の個数: 48

約数和(自身を含む): 39361200480

約数和(自身を除く): 18952264532

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 163, 326, 493, 652, 986, 1972, 2771, 4727, 5542, 9454, 11084, 18908, 63493, 80359, 126986, 160718, 253972, 321436, 1079381, 1841297, 2158762, 3682594, 4317524, 7365188, 10349359, 20698718, 31302049, 41397436, 62604098, 125208196, 175939103, 300131411, 351878206, 600262822, 703756412, 1200525644, 5102233987, 10204467974, 20408935948]

約数ペア:

[(1, 20408935948), (2, 10204467974), (4, 5102233987), (17, 1200525644), (29, 703756412), (34, 600262822), (58, 351878206), (68, 300131411), (116, 175939103), (163, 125208196), (326, 62604098), (493, 41397436), (652, 31302049), (986, 20698718), (1972, 10349359), (2771, 7365188), (4727, 4317524), (5542, 3682594), (9454, 2158762), (11084, 1841297), (18908, 1079381), (63493, 321436), (80359, 253972), (126986, 160718)]