20551248

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3319}}^1$

素因数の和:3376

約数の個数: 60

約数和(自身を含む): 58870240

約数和(自身を除く): 38318992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3319, 6192, 6638, 9957, 13276, 19914, 26552, 29871, 39828, 53104, 59742, 79656, 119484, 142717, 159312, 238968, 285434, 428151, 477936, 570868, 856302, 1141736, 1284453, 1712604, 2283472, 2568906, 3425208, 5137812, 6850416, 10275624, 20551248]

約数ペア:

[(1, 20551248), (2, 10275624), (3, 6850416), (4, 5137812), (6, 3425208), (8, 2568906), (9, 2283472), (12, 1712604), (16, 1284453), (18, 1141736), (24, 856302), (36, 570868), (43, 477936), (48, 428151), (72, 285434), (86, 238968), (129, 159312), (144, 142717), (172, 119484), (258, 79656), (344, 59742), (387, 53104), (516, 39828), (688, 29871), (774, 26552), (1032, 19914), (1548, 13276), (2064, 9957), (3096, 6638), (3319, 6192)]