17685980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68023}}^1$

素因数の和:68045

約数の個数: 24

約数和(自身を含む): 39998112

約数和(自身を除く): 22312132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68023, 136046, 272092, 340115, 680230, 884299, 1360460, 1768598, 3537196, 4421495, 8842990, 17685980]

約数ペア:

[(1, 17685980), (2, 8842990), (4, 4421495), (5, 3537196), (10, 1768598), (13, 1360460), (20, 884299), (26, 680230), (52, 340115), (65, 272092), (130, 136046), (260, 68023)]