20996836

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44111}}^1$

素因数の和:44139

約数の個数: 24

約数和(自身を含む): 44464896

約数和(自身を除く): 23468060

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44111, 88222, 176444, 308777, 617554, 749887, 1235108, 1499774, 2999548, 5249209, 10498418, 20996836]

約数ペア:

[(1, 20996836), (2, 10498418), (4, 5249209), (7, 2999548), (14, 1499774), (17, 1235108), (28, 749887), (34, 617554), (68, 308777), (119, 176444), (238, 88222), (476, 44111)]