20787668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{27791}}^1$

素因数の和:27823

約数の個数: 24

約数和(自身を含む): 42021504

約数和(自身を除く): 21233836

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 27791, 55582, 111164, 305701, 472447, 611402, 944894, 1222804, 1889788, 5196917, 10393834, 20787668]

約数ペア:

[(1, 20787668), (2, 10393834), (4, 5196917), (11, 1889788), (17, 1222804), (22, 944894), (34, 611402), (44, 472447), (68, 305701), (187, 111164), (374, 55582), (748, 27791)]