20307070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41443}}^1$

素因数の和:41464

約数の個数: 24

約数和(自身を含む): 42521544

約数和(自身を除く): 22214474

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41443, 82886, 207215, 290101, 414430, 580202, 1450505, 2030707, 2901010, 4061414, 10153535, 20307070]

約数ペア:

[(1, 20307070), (2, 10153535), (5, 4061414), (7, 2901010), (10, 2030707), (14, 1450505), (35, 580202), (49, 414430), (70, 290101), (98, 207215), (245, 82886), (490, 41443)]