20152055

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3079}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11781385

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 3079, 6545, 15395, 21553, 33869, 52343, 107765, 169345, 237083, 261715, 366401, 575773, 1185415, 1832005, 2878865, 4030411, 20152055]

約数ペア:

[(1, 20152055), (5, 4030411), (7, 2878865), (11, 1832005), (17, 1185415), (35, 575773), (55, 366401), (77, 261715), (85, 237083), (119, 169345), (187, 107765), (385, 52343), (595, 33869), (935, 21553), (1309, 15395), (3079, 6545)]