20521806

素因数分解:

$2^1\times 3^1\times {\mathrm{151}}^1\times {\mathrm{22651}}^1$

素因数の和:22807

約数の個数: 16

約数和(自身を含む): 41317248

約数和(自身を除く): 20795442

約数列:

[1, 2, 3, 6, 151, 302, 453, 906, 22651, 45302, 67953, 135906, 3420301, 6840602, 10260903, 20521806]

約数ペア:

[(1, 20521806), (2, 10260903), (3, 6840602), (6, 3420301), (151, 135906), (302, 67953), (453, 45302), (906, 22651)]