20038420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34549}}^1$

素因数の和:34587

約数の個数: 24

約数和(自身を含む): 43533000

約数和(自身を除く): 23494580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34549, 69098, 138196, 172745, 345490, 690980, 1001921, 2003842, 4007684, 5009605, 10019210, 20038420]

約数ペア:

[(1, 20038420), (2, 10019210), (4, 5009605), (5, 4007684), (10, 2003842), (20, 1001921), (29, 690980), (58, 345490), (116, 172745), (145, 138196), (290, 69098), (580, 34549)]