20154247

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 21659904

約数和(自身を除く): 1505657

約数列:

[1, 31, 41, 101, 157, 1271, 3131, 4141, 4867, 6437, 15857, 128371, 199547, 491567, 650137, 20154247]

約数ペア:

[(1, 20154247), (31, 650137), (41, 491567), (101, 199547), (157, 128371), (1271, 15857), (3131, 6437), (4141, 4867)]