20944008

素因数分解:

$2^3\times 3^4\times {\mathrm{32321}}^1$

素因数の和:32339

約数の個数: 40

約数和(自身を含む): 58664430

約数和(自身を除く): 37720422

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32321, 64642, 96963, 129284, 193926, 258568, 290889, 387852, 581778, 775704, 872667, 1163556, 1745334, 2327112, 2618001, 3490668, 5236002, 6981336, 10472004, 20944008]

約数ペア:

[(1, 20944008), (2, 10472004), (3, 6981336), (4, 5236002), (6, 3490668), (8, 2618001), (9, 2327112), (12, 1745334), (18, 1163556), (24, 872667), (27, 775704), (36, 581778), (54, 387852), (72, 290889), (81, 258568), (108, 193926), (162, 129284), (216, 96963), (324, 64642), (648, 32321)]