20408323

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:702

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 2574077

約数列:

[1, 13, 31, 89, 403, 569, 1157, 2759, 7397, 17639, 35867, 50641, 229307, 658333, 1569871, 20408323]

約数ペア:

[(1, 20408323), (13, 1569871), (31, 658333), (89, 229307), (403, 50641), (569, 35867), (1157, 17639), (2759, 7397)]