20504505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{195281}}^1$

素因数の和:195296

約数の個数: 16

約数和(自身を含む): 37494144

約数和(自身を除く): 16989639

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 195281, 585843, 976405, 1366967, 2929215, 4100901, 6834835, 20504505]

約数ペア:

[(1, 20504505), (3, 6834835), (5, 4100901), (7, 2929215), (15, 1366967), (21, 976405), (35, 585843), (105, 195281)]