20216836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8581}}^1$

素因数の和:8635

約数の個数: 24

約数和(自身を含む): 38447360

約数和(自身を除く): 18230524

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8581, 17162, 34324, 163039, 266011, 326078, 532022, 652156, 1064044, 5054209, 10108418, 20216836]

約数ペア:

[(1, 20216836), (2, 10108418), (4, 5054209), (19, 1064044), (31, 652156), (38, 532022), (62, 326078), (76, 266011), (124, 163039), (589, 34324), (1178, 17162), (2356, 8581)]