20451578

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{85931}}^1$

素因数の和:85957

約数の個数: 16

約数和(自身を含む): 37122624

約数和(自身を除く): 16671046

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 85931, 171862, 601517, 1203034, 1460827, 2921654, 10225789, 20451578]

約数ペア:

[(1, 20451578), (2, 10225789), (7, 2921654), (14, 1460827), (17, 1203034), (34, 601517), (119, 171862), (238, 85931)]