201545980

素因数分解:

$2^2\times 5^1\times {\mathrm{2099}}^1\times {\mathrm{4801}}^1$

素因数の和:6909

約数の個数: 24

約数和(自身を含む): 423536400

約数和(自身を除く): 221990420

約数列:

[1, 2, 4, 5, 10, 20, 2099, 4198, 4801, 8396, 9602, 10495, 19204, 20990, 24005, 41980, 48010, 96020, 10077299, 20154598, 40309196, 50386495, 100772990, 201545980]

約数ペア:

[(1, 201545980), (2, 100772990), (4, 50386495), (5, 40309196), (10, 20154598), (20, 10077299), (2099, 96020), (4198, 48010), (4801, 41980), (8396, 24005), (9602, 20990), (10495, 19204)]