20127705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{443}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 34909056

約数和(自身を除く): 14781351

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 233, 443, 699, 1165, 1329, 2215, 3029, 3495, 5759, 6645, 9087, 15145, 17277, 28795, 45435, 86385, 103219, 309657, 516095, 1341847, 1548285, 4025541, 6709235, 20127705]

約数ペア:

[(1, 20127705), (3, 6709235), (5, 4025541), (13, 1548285), (15, 1341847), (39, 516095), (65, 309657), (195, 103219), (233, 86385), (443, 45435), (699, 28795), (1165, 17277), (1329, 15145), (2215, 9087), (3029, 6645), (3495, 5759)]