20145629

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 25952256

約数和(自身を除く): 5806627

約数列:

[1, 7, 17, 31, 43, 119, 127, 217, 301, 527, 731, 889, 1333, 2159, 3689, 3937, 5117, 5461, 9331, 15113, 22661, 27559, 38227, 66929, 92837, 158627, 169291, 468503, 649859, 1185037, 2877947, 20145629]

約数ペア:

[(1, 20145629), (7, 2877947), (17, 1185037), (31, 649859), (43, 468503), (119, 169291), (127, 158627), (217, 92837), (301, 66929), (527, 38227), (731, 27559), (889, 22661), (1333, 15113), (2159, 9331), (3689, 5461), (3937, 5117)]