20100239145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{352543}}^1$

素因数の和:352742

約数の個数: 48

約数和(自身を含む): 40037716992

約数和(自身を除く): 19937477847

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 181, 315, 543, 905, 1267, 1629, 2715, 3801, 6335, 8145, 11403, 19005, 57015, 352543, 1057629, 1762715, 2467801, 3172887, 5288145, 7403403, 12339005, 15864435, 22210209, 37017015, 63810283, 111051045, 191430849, 319051415, 446671981, 574292547, 957154245, 1340015943, 2233359905, 2871462735, 4020047829, 6700079715, 20100239145]

約数ペア:

[(1, 20100239145), (3, 6700079715), (5, 4020047829), (7, 2871462735), (9, 2233359905), (15, 1340015943), (21, 957154245), (35, 574292547), (45, 446671981), (63, 319051415), (105, 191430849), (181, 111051045), (315, 63810283), (543, 37017015), (905, 22210209), (1267, 15864435), (1629, 12339005), (2715, 7403403), (3801, 5288145), (6335, 3172887), (8145, 2467801), (11403, 1762715), (19005, 1057629), (57015, 352543)]