20091045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 34860672

約数和(自身を除く): 14769627

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 197, 523, 591, 985, 1569, 2561, 2615, 2955, 6799, 7683, 7845, 12805, 20397, 33995, 38415, 101985, 103031, 309093, 515155, 1339403, 1545465, 4018209, 6697015, 20091045]

約数ペア:

[(1, 20091045), (3, 6697015), (5, 4018209), (13, 1545465), (15, 1339403), (39, 515155), (65, 309093), (195, 103031), (197, 101985), (523, 38415), (591, 33995), (985, 20397), (1569, 12805), (2561, 7845), (2615, 7683), (2955, 6799)]