20612222

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2693}}^1$

素因数の和:2827

約数の個数: 16

約数和(自身を含む): 32004720

約数和(自身を除く): 11392498

約数列:

[1, 2, 43, 86, 89, 178, 2693, 3827, 5386, 7654, 115799, 231598, 239677, 479354, 10306111, 20612222]

約数ペア:

[(1, 20612222), (2, 10306111), (43, 479354), (86, 239677), (89, 231598), (178, 115799), (2693, 7654), (3827, 5386)]