20949742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50119}}^1$

素因数の和:50151

約数の個数: 16

約数和(自身を含む): 36086400

約数和(自身を除く): 15136658

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50119, 100238, 551309, 952261, 1102618, 1904522, 10474871, 20949742]

約数ペア:

[(1, 20949742), (2, 10474871), (11, 1904522), (19, 1102618), (22, 952261), (38, 551309), (209, 100238), (418, 50119)]