20030380

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8863}}^1$

素因数の和:8985

約数の個数: 24

約数和(自身を含む): 42440832

約数和(自身を除く): 22410452

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8863, 17726, 35452, 44315, 88630, 177260, 1001519, 2003038, 4006076, 5007595, 10015190, 20030380]

約数ペア:

[(1, 20030380), (2, 10015190), (4, 5007595), (5, 4006076), (10, 2003038), (20, 1001519), (113, 177260), (226, 88630), (452, 44315), (565, 35452), (1130, 17726), (2260, 8863)]