20842408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{463}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 41592960

約数和(自身を除く): 20750552

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 331, 463, 662, 926, 1324, 1852, 2648, 3704, 5627, 7871, 11254, 15742, 22508, 31484, 45016, 62968, 153253, 306506, 613012, 1226024, 2605301, 5210602, 10421204, 20842408]

約数ペア:

[(1, 20842408), (2, 10421204), (4, 5210602), (8, 2605301), (17, 1226024), (34, 613012), (68, 306506), (136, 153253), (331, 62968), (463, 45016), (662, 31484), (926, 22508), (1324, 15742), (1852, 11254), (2648, 7871), (3704, 5627)]