20852325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7129}}^1$

素因数の和:7158

約数の個数: 36

約数和(自身を含む): 40227460

約数和(自身を除く): 19375135

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 7129, 21387, 35645, 64161, 92677, 106935, 178225, 278031, 320805, 463385, 534675, 834093, 1390155, 1604025, 2316925, 4170465, 6950775, 20852325]

約数ペア:

[(1, 20852325), (3, 6950775), (5, 4170465), (9, 2316925), (13, 1604025), (15, 1390155), (25, 834093), (39, 534675), (45, 463385), (65, 320805), (75, 278031), (117, 178225), (195, 106935), (225, 92677), (325, 64161), (585, 35645), (975, 21387), (2925, 7129)]