20077590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51481}}^1$

素因数の和:51504

約数の個数: 32

約数和(自身を含む): 51893856

約数和(自身を除く): 31816266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51481, 102962, 154443, 257405, 308886, 514810, 669253, 772215, 1338506, 1544430, 2007759, 3346265, 4015518, 6692530, 10038795, 20077590]

約数ペア:

[(1, 20077590), (2, 10038795), (3, 6692530), (5, 4015518), (6, 3346265), (10, 2007759), (13, 1544430), (15, 1338506), (26, 772215), (30, 669253), (39, 514810), (65, 308886), (78, 257405), (130, 154443), (195, 102962), (390, 51481)]