20810624

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 44880000

約数和(自身を除く): 24069376

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 199, 304, 344, 398, 608, 688, 796, 817, 1216, 1376, 1592, 1634, 2432, 2752, 3184, 3268, 3781, 5504, 6368, 6536, 7562, 8557, 12736, 13072, 15124, 17114, 25472, 26144, 30248, 34228, 52288, 60496, 68456, 104576, 120992, 136912, 162583, 241984, 273824, 325166, 483968, 547648, 650332, 1095296, 1300664, 2601328, 5202656, 10405312, 20810624]

約数ペア:

[(1, 20810624), (2, 10405312), (4, 5202656), (8, 2601328), (16, 1300664), (19, 1095296), (32, 650332), (38, 547648), (43, 483968), (64, 325166), (76, 273824), (86, 241984), (128, 162583), (152, 136912), (172, 120992), (199, 104576), (304, 68456), (344, 60496), (398, 52288), (608, 34228), (688, 30248), (796, 26144), (817, 25472), (1216, 17114), (1376, 15124), (1592, 13072), (1634, 12736), (2432, 8557), (2752, 7562), (3184, 6536), (3268, 6368), (3781, 5504)]