20521442

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3719}}^1$

素因数の和:3841

約数の個数: 16

約数和(自身を含む): 32140800

約数和(自身を除く): 11619358

約数列:

[1, 2, 31, 62, 89, 178, 2759, 3719, 5518, 7438, 115289, 230578, 330991, 661982, 10260721, 20521442]

約数ペア:

[(1, 20521442), (2, 10260721), (31, 661982), (62, 330991), (89, 230578), (178, 115289), (2759, 7438), (3719, 5518)]