20191604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{701}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 37346400

約数和(自身を除く): 17154796

約数列:

[1, 2, 4, 19, 38, 76, 379, 701, 758, 1402, 1516, 2804, 7201, 13319, 14402, 26638, 28804, 53276, 265679, 531358, 1062716, 5047901, 10095802, 20191604]

約数ペア:

[(1, 20191604), (2, 10095802), (4, 5047901), (19, 1062716), (38, 531358), (76, 265679), (379, 53276), (701, 28804), (758, 26638), (1402, 14402), (1516, 13319), (2804, 7201)]