20779888

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17791}}^1$

素因数の和:17872

約数の個数: 20

約数和(自身を含む): 40814848

約数和(自身を除く): 20034960

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17791, 35582, 71164, 142328, 284656, 1298743, 2597486, 5194972, 10389944, 20779888]

約数ペア:

[(1, 20779888), (2, 10389944), (4, 5194972), (8, 2597486), (16, 1298743), (73, 284656), (146, 142328), (292, 71164), (584, 35582), (1168, 17791)]