20741272

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29131}}^1$

素因数の和:29226

約数の個数: 16

約数和(自身を含む): 39328200

約数和(自身を除く): 18586928

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29131, 58262, 116524, 233048, 2592659, 5185318, 10370636, 20741272]

約数ペア:

[(1, 20741272), (2, 10370636), (4, 5185318), (8, 2592659), (89, 233048), (178, 116524), (356, 58262), (712, 29131)]