20407064

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134257}}^1$

素因数の和:134282

約数の個数: 16

約数和(自身を含む): 40277400

約数和(自身を除く): 19870336

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134257, 268514, 537028, 1074056, 2550883, 5101766, 10203532, 20407064]

約数ペア:

[(1, 20407064), (2, 10203532), (4, 5101766), (8, 2550883), (19, 1074056), (38, 537028), (76, 268514), (152, 134257)]