20071821

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12413}}^1$

素因数の和:12441

約数の個数: 24

約数和(自身を含む): 33964704

約数和(自身を除く): 13892883

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12413, 37239, 86891, 136543, 260673, 409629, 608237, 955801, 1824711, 2867403, 6690607, 20071821]

約数ペア:

[(1, 20071821), (3, 6690607), (7, 2867403), (11, 1824711), (21, 955801), (33, 608237), (49, 409629), (77, 260673), (147, 136543), (231, 86891), (539, 37239), (1617, 12413)]