20352268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{953}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 37663920

約数和(自身を除く): 17311652

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 953, 1124, 1906, 3812, 5339, 10678, 18107, 21356, 36214, 72428, 267793, 535586, 1071172, 5088067, 10176134, 20352268]

約数ペア:

[(1, 20352268), (2, 10176134), (4, 5088067), (19, 1071172), (38, 535586), (76, 267793), (281, 72428), (562, 36214), (953, 21356), (1124, 18107), (1906, 10678), (3812, 5339)]