20258172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{51157}}^1$

素因数の和:51178

約数の個数: 36

約数和(自身を含む): 55864536

約数和(自身を除く): 35606364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 51157, 102314, 153471, 204628, 306942, 460413, 562727, 613884, 920826, 1125454, 1688181, 1841652, 2250908, 3376362, 5064543, 6752724, 10129086, 20258172]

約数ペア:

[(1, 20258172), (2, 10129086), (3, 6752724), (4, 5064543), (6, 3376362), (9, 2250908), (11, 1841652), (12, 1688181), (18, 1125454), (22, 920826), (33, 613884), (36, 562727), (44, 460413), (66, 306942), (99, 204628), (132, 153471), (198, 102314), (396, 51157)]