20105960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71807}}^1$

素因数の和:71825

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 31595800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71807, 143614, 287228, 359035, 502649, 574456, 718070, 1005298, 1436140, 2010596, 2513245, 2872280, 4021192, 5026490, 10052980, 20105960]

約数ペア:

[(1, 20105960), (2, 10052980), (4, 5026490), (5, 4021192), (7, 2872280), (8, 2513245), (10, 2010596), (14, 1436140), (20, 1005298), (28, 718070), (35, 574456), (40, 502649), (56, 359035), (70, 287228), (140, 143614), (280, 71807)]