20120457864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{232811}}^1$

素因数の和:233110

約数の個数: 64

約数和(自身を含む): 54366258240

約数和(自身を除く): 34245800376

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 277, 312, 554, 831, 1108, 1662, 2216, 3324, 3601, 6648, 7202, 10803, 14404, 21606, 28808, 43212, 86424, 232811, 465622, 698433, 931244, 1396866, 1862488, 2793732, 3026543, 5587464, 6053086, 9079629, 12106172, 18159258, 24212344, 36318516, 64488647, 72637032, 128977294, 193465941, 257954588, 386931882, 515909176, 773863764, 838352411, 1547727528, 1676704822, 2515057233, 3353409644, 5030114466, 6706819288, 10060228932, 20120457864]

約数ペア:

[(1, 20120457864), (2, 10060228932), (3, 6706819288), (4, 5030114466), (6, 3353409644), (8, 2515057233), (12, 1676704822), (13, 1547727528), (24, 838352411), (26, 773863764), (39, 515909176), (52, 386931882), (78, 257954588), (104, 193465941), (156, 128977294), (277, 72637032), (312, 64488647), (554, 36318516), (831, 24212344), (1108, 18159258), (1662, 12106172), (2216, 9079629), (3324, 6053086), (3601, 5587464), (6648, 3026543), (7202, 2793732), (10803, 1862488), (14404, 1396866), (21606, 931244), (28808, 698433), (43212, 465622), (86424, 232811)]