20349814521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2541503}}^1$

素因数の和:2541680

約数の個数: 16

約数和(自身を含む): 28912149504

約数和(自身を除く): 8562334983

約数列:

[1, 3, 17, 51, 157, 471, 2669, 8007, 2541503, 7624509, 43205551, 129616653, 399015971, 1197047913, 6783271507, 20349814521]

約数ペア:

[(1, 20349814521), (3, 6783271507), (17, 1197047913), (51, 399015971), (157, 129616653), (471, 43205551), (2669, 7624509), (8007, 2541503)]