20121448215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121948171}}^1$

素因数の和:121948190

約数の個数: 16

約数和(自身を含む): 35121073536

約数和(自身を除く): 14999625321

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 121948171, 365844513, 609740855, 1341429881, 1829222565, 4024289643, 6707149405, 20121448215]

約数ペア:

[(1, 20121448215), (3, 6707149405), (5, 4024289643), (11, 1829222565), (15, 1341429881), (33, 609740855), (55, 365844513), (165, 121948171)]