20033720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71549}}^1$

素因数の和:71567

約数の個数: 32

約数和(自身を含む): 51516000

約数和(自身を除く): 31482280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71549, 143098, 286196, 357745, 500843, 572392, 715490, 1001686, 1430980, 2003372, 2504215, 2861960, 4006744, 5008430, 10016860, 20033720]

約数ペア:

[(1, 20033720), (2, 10016860), (4, 5008430), (5, 4006744), (7, 2861960), (8, 2504215), (10, 2003372), (14, 1430980), (20, 1001686), (28, 715490), (35, 572392), (40, 500843), (56, 357745), (70, 286196), (140, 143098), (280, 71549)]