20402318

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{4673}}^1$

素因数の和:4771

約数の個数: 16

約数和(自身を含む): 31970160

約数和(自身を除く): 11567842

約数列:

[1, 2, 37, 59, 74, 118, 2183, 4366, 4673, 9346, 172901, 275707, 345802, 551414, 10201159, 20402318]

約数ペア:

[(1, 20402318), (2, 10201159), (37, 551414), (59, 345802), (74, 275707), (118, 172901), (2183, 9346), (4366, 4673)]