20426568

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 52747200

約数和(自身を除く): 32320632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 89, 131, 146, 178, 219, 262, 267, 292, 356, 393, 438, 524, 534, 584, 712, 786, 876, 1048, 1068, 1572, 1752, 2136, 3144, 6497, 9563, 11659, 12994, 19126, 19491, 23318, 25988, 28689, 34977, 38252, 38982, 46636, 51976, 57378, 69954, 76504, 77964, 93272, 114756, 139908, 155928, 229512, 279816, 851107, 1702214, 2553321, 3404428, 5106642, 6808856, 10213284, 20426568]

約数ペア:

[(1, 20426568), (2, 10213284), (3, 6808856), (4, 5106642), (6, 3404428), (8, 2553321), (12, 1702214), (24, 851107), (73, 279816), (89, 229512), (131, 155928), (146, 139908), (178, 114756), (219, 93272), (262, 77964), (267, 76504), (292, 69954), (356, 57378), (393, 51976), (438, 46636), (524, 38982), (534, 38252), (584, 34977), (712, 28689), (786, 25988), (876, 23318), (1048, 19491), (1068, 19126), (1572, 12994), (1752, 11659), (2136, 9563), (3144, 6497)]