20745210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10321}}^1$

素因数の和:10398

約数の個数: 32

約数和(自身を含む): 50536512

約数和(自身を除く): 29791302

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10321, 20642, 30963, 51605, 61926, 103210, 154815, 309630, 691507, 1383014, 2074521, 3457535, 4149042, 6915070, 10372605, 20745210]

約数ペア:

[(1, 20745210), (2, 10372605), (3, 6915070), (5, 4149042), (6, 3457535), (10, 2074521), (15, 1383014), (30, 691507), (67, 309630), (134, 154815), (201, 103210), (335, 61926), (402, 51605), (670, 30963), (1005, 20642), (2010, 10321)]