20552380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33149}}^1$

素因数の和:33189

約数の個数: 24

約数和(自身を含む): 44553600

約数和(自身を除く): 24001220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33149, 66298, 132596, 165745, 331490, 662980, 1027619, 2055238, 4110476, 5138095, 10276190, 20552380]

約数ペア:

[(1, 20552380), (2, 10276190), (4, 5138095), (5, 4110476), (10, 2055238), (20, 1027619), (31, 662980), (62, 331490), (124, 165745), (155, 132596), (310, 66298), (620, 33149)]