20565414

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 80

約数和(自身を含む): 48996288

約数和(自身を除く): 28430874

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 47, 54, 73, 74, 81, 94, 111, 141, 146, 162, 219, 222, 282, 333, 423, 438, 657, 666, 846, 999, 1269, 1314, 1739, 1971, 1998, 2538, 2701, 2997, 3431, 3478, 3807, 3942, 5217, 5402, 5913, 5994, 6862, 7614, 8103, 10293, 10434, 11826, 15651, 16206, 20586, 24309, 30879, 31302, 46953, 48618, 61758, 72927, 92637, 93906, 126947, 140859, 145854, 185274, 218781, 253894, 277911, 281718, 380841, 437562, 555822, 761682, 1142523, 2285046, 3427569, 6855138, 10282707, 20565414]

約数ペア:

[(1, 20565414), (2, 10282707), (3, 6855138), (6, 3427569), (9, 2285046), (18, 1142523), (27, 761682), (37, 555822), (47, 437562), (54, 380841), (73, 281718), (74, 277911), (81, 253894), (94, 218781), (111, 185274), (141, 145854), (146, 140859), (162, 126947), (219, 93906), (222, 92637), (282, 72927), (333, 61758), (423, 48618), (438, 46953), (657, 31302), (666, 30879), (846, 24309), (999, 20586), (1269, 16206), (1314, 15651), (1739, 11826), (1971, 10434), (1998, 10293), (2538, 8103), (2701, 7614), (2997, 6862), (3431, 5994), (3478, 5913), (3807, 5402), (3942, 5217)]