20751865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5821}}^1$

素因数の和:5880

約数の個数: 16

約数和(自身を含む): 26827776

約数和(自身を除く): 6075911

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 5821, 29105, 133883, 180451, 669415, 902255, 4150373, 20751865]

約数ペア:

[(1, 20751865), (5, 4150373), (23, 902255), (31, 669415), (115, 180451), (155, 133883), (713, 29105), (3565, 5821)]