20170662580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1294651}}^1$

素因数の和:1294720

約数の個数: 48

約数和(自身を含む): 45675322560

約数和(自身を除く): 25504659980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 1294651, 2589302, 5178604, 6473255, 12946510, 24598369, 25893020, 49196738, 53080691, 98393476, 106161382, 122991845, 212322764, 245983690, 265403455, 491967380, 530806910, 1008533129, 1061613820, 2017066258, 4034132516, 5042665645, 10085331290, 20170662580]

約数ペア:

[(1, 20170662580), (2, 10085331290), (4, 5042665645), (5, 4034132516), (10, 2017066258), (19, 1061613820), (20, 1008533129), (38, 530806910), (41, 491967380), (76, 265403455), (82, 245983690), (95, 212322764), (164, 122991845), (190, 106161382), (205, 98393476), (380, 53080691), (410, 49196738), (779, 25893020), (820, 24598369), (1558, 12946510), (3116, 6473255), (3895, 5178604), (7790, 2589302), (15580, 1294651)]