201642020

素因数分解:

$2^2\times 5^1\times {\mathrm{2029}}^1\times {\mathrm{4969}}^1$

素因数の和:7007

約数の個数: 24

約数和(自身を含む): 423742200

約数和(自身を除く): 222100180

約数列:

[1, 2, 4, 5, 10, 20, 2029, 4058, 4969, 8116, 9938, 10145, 19876, 20290, 24845, 40580, 49690, 99380, 10082101, 20164202, 40328404, 50410505, 100821010, 201642020]

約数ペア:

[(1, 201642020), (2, 100821010), (4, 50410505), (5, 40328404), (10, 20164202), (20, 10082101), (2029, 99380), (4058, 49690), (4969, 40580), (8116, 24845), (9938, 20290), (10145, 19876)]