20552690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 38513664

約数和(自身を除く): 17960974

約数列:

[1, 2, 5, 10, 31, 62, 155, 167, 310, 334, 397, 794, 835, 1670, 1985, 3970, 5177, 10354, 12307, 24614, 25885, 51770, 61535, 66299, 123070, 132598, 331495, 662990, 2055269, 4110538, 10276345, 20552690]

約数ペア:

[(1, 20552690), (2, 10276345), (5, 4110538), (10, 2055269), (31, 662990), (62, 331495), (155, 132598), (167, 123070), (310, 66299), (334, 61535), (397, 51770), (794, 25885), (835, 24614), (1670, 12307), (1985, 10354), (3970, 5177)]