20147579740

素因数分解:

$2^2\times 5^1\times {\mathrm{4987}}^1\times {\mathrm{202001}}^1$

素因数の和:206997

約数の個数: 24

約数和(自身を含む): 42318610992

約数和(自身を除く): 22171031252

約数列:

[1, 2, 4, 5, 10, 20, 4987, 9974, 19948, 24935, 49870, 99740, 202001, 404002, 808004, 1010005, 2020010, 4040020, 1007378987, 2014757974, 4029515948, 5036894935, 10073789870, 20147579740]

約数ペア:

[(1, 20147579740), (2, 10073789870), (4, 5036894935), (5, 4029515948), (10, 2014757974), (20, 1007378987), (4987, 4040020), (9974, 2020010), (19948, 1010005), (24935, 808004), (49870, 404002), (99740, 202001)]