20389890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3797}}^1$

素因数の和:3986

約数の個数: 32

約数和(自身を含む): 49222080

約数和(自身を除く): 28832190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 179, 358, 537, 895, 1074, 1790, 2685, 3797, 5370, 7594, 11391, 18985, 22782, 37970, 56955, 113910, 679663, 1359326, 2038989, 3398315, 4077978, 6796630, 10194945, 20389890]

約数ペア:

[(1, 20389890), (2, 10194945), (3, 6796630), (5, 4077978), (6, 3398315), (10, 2038989), (15, 1359326), (30, 679663), (179, 113910), (358, 56955), (537, 37970), (895, 22782), (1074, 18985), (1790, 11391), (2685, 7594), (3797, 5370)]