20800278

素因数分解:

$2^1\times 3^2\times {\mathrm{379}}^1\times {\mathrm{3049}}^1$

素因数の和:3436

約数の個数: 24

約数和(自身を含む): 45201000

約数和(自身を除く): 24400722

約数列:

[1, 2, 3, 6, 9, 18, 379, 758, 1137, 2274, 3049, 3411, 6098, 6822, 9147, 18294, 27441, 54882, 1155571, 2311142, 3466713, 6933426, 10400139, 20800278]

約数ペア:

[(1, 20800278), (2, 10400139), (3, 6933426), (6, 3466713), (9, 2311142), (18, 1155571), (379, 54882), (758, 27441), (1137, 18294), (2274, 9147), (3049, 6822), (3411, 6098)]