20512572130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{953}}^1\times {\mathrm{126613}}^1$

素因数の和:127590

約数の個数: 32

約数和(自身を含む): 39135880944

約数和(自身を除く): 18623308814

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 953, 1906, 4765, 9530, 16201, 32402, 81005, 126613, 162010, 253226, 633065, 1266130, 2152421, 4304842, 10762105, 21524210, 120662189, 241324378, 603310945, 1206621890, 2051257213, 4102514426, 10256286065, 20512572130]

約数ペア:

[(1, 20512572130), (2, 10256286065), (5, 4102514426), (10, 2051257213), (17, 1206621890), (34, 603310945), (85, 241324378), (170, 120662189), (953, 21524210), (1906, 10762105), (4765, 4304842), (9530, 2152421), (16201, 1266130), (32402, 633065), (81005, 253226), (126613, 162010)]