20291206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7577}}^1$

素因数の和:7695

約数の個数: 16

約数和(自身を含む): 33100704

約数和(自身を除く): 12809498

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 7577, 15154, 98501, 197002, 780431, 1560862, 10145603, 20291206]

約数ペア:

[(1, 20291206), (2, 10145603), (13, 1560862), (26, 780431), (103, 197002), (206, 98501), (1339, 15154), (2678, 7577)]