20074040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71693}}^1$

素因数の和:71711

約数の個数: 32

約数和(自身を含む): 51619680

約数和(自身を除く): 31545640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71693, 143386, 286772, 358465, 501851, 573544, 716930, 1003702, 1433860, 2007404, 2509255, 2867720, 4014808, 5018510, 10037020, 20074040]

約数ペア:

[(1, 20074040), (2, 10037020), (4, 5018510), (5, 4014808), (7, 2867720), (8, 2509255), (10, 2007404), (14, 1433860), (20, 1003702), (28, 716930), (35, 573544), (40, 501851), (56, 358465), (70, 286772), (140, 143386), (280, 71693)]