20372950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2411}}^1$

素因数の和:2449

約数の個数: 36

約数和(自身を含む): 41049828

約数和(自身を除く): 20676878

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 2411, 4225, 4822, 8450, 12055, 24110, 31343, 60275, 62686, 120550, 156715, 313430, 407459, 783575, 814918, 1567150, 2037295, 4074590, 10186475, 20372950]

約数ペア:

[(1, 20372950), (2, 10186475), (5, 4074590), (10, 2037295), (13, 1567150), (25, 814918), (26, 783575), (50, 407459), (65, 313430), (130, 156715), (169, 120550), (325, 62686), (338, 60275), (650, 31343), (845, 24110), (1690, 12055), (2411, 8450), (4225, 4822)]