20927476

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1277}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 38968776

約数和(自身を除く): 18041300

約数列:

[1, 2, 4, 17, 34, 68, 241, 482, 964, 1277, 2554, 4097, 5108, 8194, 16388, 21709, 43418, 86836, 307757, 615514, 1231028, 5231869, 10463738, 20927476]

約数ペア:

[(1, 20927476), (2, 10463738), (4, 5231869), (17, 1231028), (34, 615514), (68, 307757), (241, 86836), (482, 43418), (964, 21709), (1277, 16388), (2554, 8194), (4097, 5108)]