20105010

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{24821}}^1$

素因数の和:24840

約数の個数: 40

約数和(自身を含む): 54062316

約数和(自身を除く): 33957306

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 24821, 49642, 74463, 124105, 148926, 223389, 248210, 372315, 446778, 670167, 744630, 1116945, 1340334, 2010501, 2233890, 3350835, 4021002, 6701670, 10052505, 20105010]

約数ペア:

[(1, 20105010), (2, 10052505), (3, 6701670), (5, 4021002), (6, 3350835), (9, 2233890), (10, 2010501), (15, 1340334), (18, 1116945), (27, 744630), (30, 670167), (45, 446778), (54, 372315), (81, 248210), (90, 223389), (135, 148926), (162, 124105), (270, 74463), (405, 49642), (810, 24821)]