20148479945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{451709}}^1$

素因数の和:452536

約数の個数: 16

約数和(自身を含む): 26408773440

約数和(自身を除く): 6260293495

約数列:

[1, 5, 11, 55, 811, 4055, 8921, 44605, 451709, 2258545, 4968799, 24843995, 366335999, 1831679995, 4029695989, 20148479945]

約数ペア:

[(1, 20148479945), (5, 4029695989), (11, 1831679995), (55, 366335999), (811, 24843995), (4055, 4968799), (8921, 2258545), (44605, 451709)]