20120505

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9791}}^1$

素因数の和:9936

約数の個数: 16

約数和(自身を含む): 32431104

約数和(自身を除く): 12310599

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 9791, 29373, 48955, 146865, 1341367, 4024101, 6706835, 20120505]

約数ペア:

[(1, 20120505), (3, 6706835), (5, 4024101), (15, 1341367), (137, 146865), (411, 48955), (685, 29373), (2055, 9791)]