20859408

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8521}}^1$

素因数の和:8552

約数の個数: 60

約数和(自身を含む): 61818588

約数和(自身を除く): 40959180

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8521, 17042, 25563, 34084, 51126, 68168, 76689, 102252, 136336, 144857, 153378, 204504, 289714, 306756, 409008, 434571, 579428, 613512, 869142, 1158856, 1227024, 1303713, 1738284, 2317712, 2607426, 3476568, 5214852, 6953136, 10429704, 20859408]

約数ペア:

[(1, 20859408), (2, 10429704), (3, 6953136), (4, 5214852), (6, 3476568), (8, 2607426), (9, 2317712), (12, 1738284), (16, 1303713), (17, 1227024), (18, 1158856), (24, 869142), (34, 613512), (36, 579428), (48, 434571), (51, 409008), (68, 306756), (72, 289714), (102, 204504), (136, 153378), (144, 144857), (153, 136336), (204, 102252), (272, 76689), (306, 68168), (408, 51126), (612, 34084), (816, 25563), (1224, 17042), (2448, 8521)]