20211005926

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{61}}^2\times {\mathrm{7523}}^1$

素因数の和:7685

約数の個数: 36

約数和(自身を含む): 32533542756

約数和(自身を除く): 12322536830

約数列:

[1, 2, 19, 38, 61, 122, 361, 722, 1159, 2318, 3721, 7442, 7523, 15046, 22021, 44042, 70699, 141398, 142937, 285874, 458903, 917806, 1343281, 2686562, 2715803, 5431606, 8719157, 17438314, 27993083, 55986166, 165663983, 331327966, 531868577, 1063737154, 10105502963, 20211005926]

約数ペア:

[(1, 20211005926), (2, 10105502963), (19, 1063737154), (38, 531868577), (61, 331327966), (122, 165663983), (361, 55986166), (722, 27993083), (1159, 17438314), (2318, 8719157), (3721, 5431606), (7442, 2715803), (7523, 2686562), (15046, 1343281), (22021, 917806), (44042, 458903), (70699, 285874), (141398, 142937)]