20386902770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{436831}}^1$

素因数の和:437210

約数の個数: 32

約数和(自身を含む): 39629399040

約数和(自身を除く): 19242496270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 359, 718, 1795, 3590, 4667, 9334, 23335, 46670, 436831, 873662, 2184155, 4368310, 5678803, 11357606, 28394015, 56788030, 156822329, 313644658, 784111645, 1568223290, 2038690277, 4077380554, 10193451385, 20386902770]

約数ペア:

[(1, 20386902770), (2, 10193451385), (5, 4077380554), (10, 2038690277), (13, 1568223290), (26, 784111645), (65, 313644658), (130, 156822329), (359, 56788030), (718, 28394015), (1795, 11357606), (3590, 5678803), (4667, 4368310), (9334, 2184155), (23335, 873662), (46670, 436831)]