20108984

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2203}}^1$

素因数の和:2379

約数の個数: 32

約数和(自身を含む): 43374720

約数和(自身を除く): 23265736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2203, 2282, 4406, 4564, 8812, 9128, 15421, 17624, 30842, 61684, 123368, 359089, 718178, 1436356, 2513623, 2872712, 5027246, 10054492, 20108984]

約数ペア:

[(1, 20108984), (2, 10054492), (4, 5027246), (7, 2872712), (8, 2513623), (14, 1436356), (28, 718178), (56, 359089), (163, 123368), (326, 61684), (652, 30842), (1141, 17624), (1304, 15421), (2203, 9128), (2282, 8812), (4406, 4564)]