20371928

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2089}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 20257672

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 106, 184, 212, 424, 1219, 2089, 2438, 4178, 4876, 8356, 9752, 16712, 48047, 96094, 110717, 192188, 221434, 384376, 442868, 885736, 2546491, 5092982, 10185964, 20371928]

約数ペア:

[(1, 20371928), (2, 10185964), (4, 5092982), (8, 2546491), (23, 885736), (46, 442868), (53, 384376), (92, 221434), (106, 192188), (184, 110717), (212, 96094), (424, 48047), (1219, 16712), (2089, 9752), (2438, 8356), (4178, 4876)]