20165991015

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1\times {\mathrm{16253}}^1$

素因数の和:16899

約数の個数: 32

約数和(自身を含む): 32516842176

約数和(自身を除く): 12350851161

約数列:

[1, 3, 5, 15, 181, 457, 543, 905, 1371, 2285, 2715, 6855, 16253, 48759, 81265, 82717, 243795, 248151, 413585, 1240755, 2941793, 7427621, 8825379, 14708965, 22282863, 37138105, 44126895, 111414315, 1344399401, 4033198203, 6721997005, 20165991015]

約数ペア:

[(1, 20165991015), (3, 6721997005), (5, 4033198203), (15, 1344399401), (181, 111414315), (457, 44126895), (543, 37138105), (905, 22282863), (1371, 14708965), (2285, 8825379), (2715, 7427621), (6855, 2941793), (16253, 1240755), (48759, 413585), (81265, 248151), (82717, 243795)]