20163947205

素因数分解:

$3^1\times 5^1\times {\mathrm{165001}}^1\times {\mathrm{8147}}^1$

素因数の和:173156

約数の個数: 16

約数和(自身を含む): 32266471104

約数和(自身を除く): 12102523899

約数列:

[1, 3, 5, 15, 8147, 24441, 40735, 122205, 165001, 495003, 825005, 2475015, 1344263147, 4032789441, 6721315735, 20163947205]

約数ペア:

[(1, 20163947205), (3, 6721315735), (5, 4032789441), (15, 1344263147), (8147, 2475015), (24441, 825005), (40735, 495003), (122205, 165001)]