20938536

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^2\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 58461390

約数和(自身を除く): 37522854

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 173, 246, 328, 346, 369, 492, 519, 692, 738, 984, 1038, 1384, 1476, 1557, 1681, 2076, 2952, 3114, 3362, 4152, 5043, 6228, 6724, 7093, 10086, 12456, 13448, 14186, 15129, 20172, 21279, 28372, 30258, 40344, 42558, 56744, 60516, 63837, 85116, 121032, 127674, 170232, 255348, 290813, 510696, 581626, 872439, 1163252, 1744878, 2326504, 2617317, 3489756, 5234634, 6979512, 10469268, 20938536]

約数ペア:

[(1, 20938536), (2, 10469268), (3, 6979512), (4, 5234634), (6, 3489756), (8, 2617317), (9, 2326504), (12, 1744878), (18, 1163252), (24, 872439), (36, 581626), (41, 510696), (72, 290813), (82, 255348), (123, 170232), (164, 127674), (173, 121032), (246, 85116), (328, 63837), (346, 60516), (369, 56744), (492, 42558), (519, 40344), (692, 30258), (738, 28372), (984, 21279), (1038, 20172), (1384, 15129), (1476, 14186), (1557, 13448), (1681, 12456), (2076, 10086), (2952, 7093), (3114, 6724), (3362, 6228), (4152, 5043)]