20194253140

素因数分解:

$2^2\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{489439}}^1$

素因数の和:491511

約数の個数: 24

約数和(自身を含む): 42428574720

約数和(自身を除く): 22234321580

約数列:

[1, 2, 4, 5, 10, 20, 2063, 4126, 8252, 10315, 20630, 41260, 489439, 978878, 1957756, 2447195, 4894390, 9788780, 1009712657, 2019425314, 4038850628, 5048563285, 10097126570, 20194253140]

約数ペア:

[(1, 20194253140), (2, 10097126570), (4, 5048563285), (5, 4038850628), (10, 2019425314), (20, 1009712657), (2063, 9788780), (4126, 4894390), (8252, 2447195), (10315, 1957756), (20630, 978878), (41260, 489439)]