20159431359

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1\times {\mathrm{809}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 27354412800

約数和(自身を除く): 7194981441

約数列:

[1, 3, 131, 163, 389, 393, 489, 809, 1167, 2427, 21353, 50959, 63407, 64059, 105979, 131867, 152877, 190221, 314701, 317937, 395601, 944103, 8306317, 17274577, 24918951, 41225831, 51296263, 51823731, 123677493, 153888789, 6719810453, 20159431359]

約数ペア:

[(1, 20159431359), (3, 6719810453), (131, 153888789), (163, 123677493), (389, 51823731), (393, 51296263), (489, 41225831), (809, 24918951), (1167, 17274577), (2427, 8306317), (21353, 944103), (50959, 395601), (63407, 317937), (64059, 314701), (105979, 190221), (131867, 152877)]