20618696

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6947}}^1$

素因数の和:7013

約数の個数: 32

約数和(自身を含む): 45023040

約数和(自身を除く): 24404344

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6947, 13894, 27788, 48629, 55576, 97258, 194516, 368191, 389032, 736382, 1472764, 2577337, 2945528, 5154674, 10309348, 20618696]

約数ペア:

[(1, 20618696), (2, 10309348), (4, 5154674), (7, 2945528), (8, 2577337), (14, 1472764), (28, 736382), (53, 389032), (56, 368191), (106, 194516), (212, 97258), (371, 55576), (424, 48629), (742, 27788), (1484, 13894), (2968, 6947)]