20984018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2953}}^1$

素因数の和:3002

約数の個数: 32

約数和(自身を含む): 38283840

約数和(自身を除く): 17299822

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 323, 374, 418, 646, 2953, 3553, 5906, 7106, 32483, 50201, 56107, 64966, 100402, 112214, 552211, 617177, 953819, 1104422, 1234354, 1907638, 10492009, 20984018]

約数ペア:

[(1, 20984018), (2, 10492009), (11, 1907638), (17, 1234354), (19, 1104422), (22, 953819), (34, 617177), (38, 552211), (187, 112214), (209, 100402), (323, 64966), (374, 56107), (418, 50201), (646, 32483), (2953, 7106), (3553, 5906)]