20038403

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 6227197

約数列:

[1, 7, 11, 47, 49, 77, 113, 329, 343, 517, 539, 791, 1243, 2303, 3619, 3773, 5311, 5537, 8701, 16121, 25333, 37177, 38759, 58421, 60907, 177331, 260239, 408947, 426349, 1821673, 2862629, 20038403]

約数ペア:

[(1, 20038403), (7, 2862629), (11, 1821673), (47, 426349), (49, 408947), (77, 260239), (113, 177331), (329, 60907), (343, 58421), (517, 38759), (539, 37177), (791, 25333), (1243, 16121), (2303, 8701), (3619, 5537), (3773, 5311)]