20664662

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4219}}^1$

素因数の和:4331

約数の個数: 16

約数和(自身を含む): 32409600

約数和(自身を除く): 11744938

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4219, 4898, 8438, 130789, 261578, 333301, 666602, 10332331, 20664662]

約数ペア:

[(1, 20664662), (2, 10332331), (31, 666602), (62, 333301), (79, 261578), (158, 130789), (2449, 8438), (4219, 4898)]