20118516

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{881}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 51565248

約数和(自身を除く): 31446732

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 173, 346, 519, 692, 881, 1038, 1762, 1903, 2076, 2643, 3524, 3806, 5286, 5709, 7612, 9691, 10572, 11418, 19382, 22836, 29073, 38764, 58146, 116292, 152413, 304826, 457239, 609652, 914478, 1676543, 1828956, 3353086, 5029629, 6706172, 10059258, 20118516]

約数ペア:

[(1, 20118516), (2, 10059258), (3, 6706172), (4, 5029629), (6, 3353086), (11, 1828956), (12, 1676543), (22, 914478), (33, 609652), (44, 457239), (66, 304826), (132, 152413), (173, 116292), (346, 58146), (519, 38764), (692, 29073), (881, 22836), (1038, 19382), (1762, 11418), (1903, 10572), (2076, 9691), (2643, 7612), (3524, 5709), (3806, 5286)]