20358680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22129}}^1$

素因数の和:22163

約数の個数: 32

約数和(自身を含む): 47800800

約数和(自身を除く): 27442120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22129, 44258, 88516, 110645, 177032, 221290, 442580, 508967, 885160, 1017934, 2035868, 2544835, 4071736, 5089670, 10179340, 20358680]

約数ペア:

[(1, 20358680), (2, 10179340), (4, 5089670), (5, 4071736), (8, 2544835), (10, 2035868), (20, 1017934), (23, 885160), (40, 508967), (46, 442580), (92, 221290), (115, 177032), (184, 110645), (230, 88516), (460, 44258), (920, 22129)]