20638612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{827}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 38392704

約数和(自身を除く): 17754092

約数列:

[1, 2, 4, 17, 34, 68, 367, 734, 827, 1468, 1654, 3308, 6239, 12478, 14059, 24956, 28118, 56236, 303509, 607018, 1214036, 5159653, 10319306, 20638612]

約数ペア:

[(1, 20638612), (2, 10319306), (4, 5159653), (17, 1214036), (34, 607018), (68, 303509), (367, 56236), (734, 28118), (827, 24956), (1468, 14059), (1654, 12478), (3308, 6239)]