20122427875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{22619}}^1$

素因数の和:23292

約数の個数: 32

約数和(自身を含む): 27439326720

約数和(自身を除く): 7316898845

約数列:

[1, 5, 11, 25, 55, 125, 275, 647, 1375, 3235, 7117, 16175, 22619, 35585, 80875, 113095, 177925, 248809, 565475, 889625, 1244045, 2827375, 6220225, 14634493, 31101125, 73172465, 160979423, 365862325, 804897115, 1829311625, 4024485575, 20122427875]

約数ペア:

[(1, 20122427875), (5, 4024485575), (11, 1829311625), (25, 804897115), (55, 365862325), (125, 160979423), (275, 73172465), (647, 31101125), (1375, 14634493), (3235, 6220225), (7117, 2827375), (16175, 1244045), (22619, 889625), (35585, 565475), (80875, 248809), (113095, 177925)]