20977728

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{6427}}^1$

素因数の和:6459

約数の個数: 56

約数和(自身を含む): 58777632

約数和(自身を除く): 37799904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 136, 192, 204, 272, 408, 544, 816, 1088, 1632, 3264, 6427, 12854, 19281, 25708, 38562, 51416, 77124, 102832, 109259, 154248, 205664, 218518, 308496, 327777, 411328, 437036, 616992, 655554, 874072, 1233984, 1311108, 1748144, 2622216, 3496288, 5244432, 6992576, 10488864, 20977728]

約数ペア:

[(1, 20977728), (2, 10488864), (3, 6992576), (4, 5244432), (6, 3496288), (8, 2622216), (12, 1748144), (16, 1311108), (17, 1233984), (24, 874072), (32, 655554), (34, 616992), (48, 437036), (51, 411328), (64, 327777), (68, 308496), (96, 218518), (102, 205664), (136, 154248), (192, 109259), (204, 102832), (272, 77124), (408, 51416), (544, 38562), (816, 25708), (1088, 19281), (1632, 12854), (3264, 6427)]