20455416

素因数分解:

$2^3\times 3^4\times {\mathrm{31567}}^1$

素因数の和:31585

約数の個数: 40

約数和(自身を含む): 57295920

約数和(自身を除く): 36840504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31567, 63134, 94701, 126268, 189402, 252536, 284103, 378804, 568206, 757608, 852309, 1136412, 1704618, 2272824, 2556927, 3409236, 5113854, 6818472, 10227708, 20455416]

約数ペア:

[(1, 20455416), (2, 10227708), (3, 6818472), (4, 5113854), (6, 3409236), (8, 2556927), (9, 2272824), (12, 1704618), (18, 1136412), (24, 852309), (27, 757608), (36, 568206), (54, 378804), (72, 284103), (81, 252536), (108, 189402), (162, 126268), (216, 94701), (324, 63134), (648, 31567)]