20784433922

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{478441}}^1$

素因数の和:478586

約数の個数: 32

約数和(自身を含む): 37203649920

約数和(自身を除く): 16419215998

約数列:

[1, 2, 7, 14, 29, 58, 107, 203, 214, 406, 749, 1498, 3103, 6206, 21721, 43442, 478441, 956882, 3349087, 6698174, 13874789, 27749578, 51193187, 97123523, 102386374, 194247046, 358352309, 716704618, 1484602423, 2969204846, 10392216961, 20784433922]

約数ペア:

[(1, 20784433922), (2, 10392216961), (7, 2969204846), (14, 1484602423), (29, 716704618), (58, 358352309), (107, 194247046), (203, 102386374), (214, 97123523), (406, 51193187), (749, 27749578), (1498, 13874789), (3103, 6698174), (6206, 3349087), (21721, 956882), (43442, 478441)]