19995850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{57131}}^1$

素因数の和:57150

約数の個数: 24

約数和(自身を含む): 42506208

約数和(自身を除く): 22510358

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 57131, 114262, 285655, 399917, 571310, 799834, 1428275, 1999585, 2856550, 3999170, 9997925, 19995850]

約数ペア:

[(1, 19995850), (2, 9997925), (5, 3999170), (7, 2856550), (10, 1999585), (14, 1428275), (25, 799834), (35, 571310), (50, 399917), (70, 285655), (175, 114262), (350, 57131)]