20132563521

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7318271}}^1$

素因数の和:7318412

約数の個数: 16

約数和(自身を含む): 30912380928

約数和(自身を除く): 10779817407

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 7318271, 21954813, 51227897, 153683691, 958693501, 2876080503, 6710854507, 20132563521]

約数ペア:

[(1, 20132563521), (3, 6710854507), (7, 2876080503), (21, 958693501), (131, 153683691), (393, 51227897), (917, 21954813), (2751, 7318271)]