20738008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83621}}^1$

素因数の和:83658

約数の個数: 16

約数和(自身を含む): 40138560

約数和(自身を除く): 19400552

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 83621, 167242, 334484, 668968, 2592251, 5184502, 10369004, 20738008]

約数ペア:

[(1, 20738008), (2, 10369004), (4, 5184502), (8, 2592251), (31, 668968), (62, 334484), (124, 167242), (248, 83621)]