20897330

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9371}}^1$

素因数の和:9601

約数の個数: 16

約数和(自身を含む): 37787904

約数和(自身を除く): 16890574

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 9371, 18742, 46855, 93710, 2089733, 4179466, 10448665, 20897330]

約数ペア:

[(1, 20897330), (2, 10448665), (5, 4179466), (10, 2089733), (223, 93710), (446, 46855), (1115, 18742), (2230, 9371)]