20216353505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{4273}}^1\times {\mathrm{55661}}^1$

素因数の和:59956

約数の個数: 16

約数和(自身を含む): 25693133904

約数和(自身を除く): 5476780399

約数列:

[1, 5, 17, 85, 4273, 21365, 55661, 72641, 278305, 363205, 946237, 4731185, 237839453, 1189197265, 4043270701, 20216353505]

約数ペア:

[(1, 20216353505), (5, 4043270701), (17, 1189197265), (85, 237839453), (4273, 4731185), (21365, 946237), (55661, 363205), (72641, 278305)]