22171820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3251}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 52448256

約数和(自身を除く): 30276436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3251, 3410, 6502, 6820, 13004, 16255, 32510, 35761, 65020, 71522, 100781, 143044, 178805, 201562, 357610, 403124, 503905, 715220, 1007810, 1108591, 2015620, 2217182, 4434364, 5542955, 11085910, 22171820]

約数ペア:

[(1, 22171820), (2, 11085910), (4, 5542955), (5, 4434364), (10, 2217182), (11, 2015620), (20, 1108591), (22, 1007810), (31, 715220), (44, 503905), (55, 403124), (62, 357610), (110, 201562), (124, 178805), (155, 143044), (220, 100781), (310, 71522), (341, 65020), (620, 35761), (682, 32510), (1364, 16255), (1705, 13004), (3251, 6820), (3410, 6502)]