20443088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67247}}^1$

素因数の和:67274

約数の個数: 20

約数和(自身を含む): 41693760

約数和(自身を除く): 21250672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67247, 134494, 268988, 537976, 1075952, 1277693, 2555386, 5110772, 10221544, 20443088]

約数ペア:

[(1, 20443088), (2, 10221544), (4, 5110772), (8, 2555386), (16, 1277693), (19, 1075952), (38, 537976), (76, 268988), (152, 134494), (304, 67247)]