20016538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4021}}^1$

素因数の和:4173

約数の個数: 16

約数和(自身を含む): 31854240

約数和(自身を除く): 11837702

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4021, 4978, 8042, 76399, 152798, 526751, 1053502, 10008269, 20016538]

約数ペア:

[(1, 20016538), (2, 10008269), (19, 1053502), (38, 526751), (131, 152798), (262, 76399), (2489, 8042), (4021, 4978)]