20929776

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 62329344

約数和(自身を除く): 41399568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 167, 168, 334, 336, 373, 501, 668, 746, 1002, 1119, 1169, 1336, 1492, 2004, 2238, 2338, 2611, 2672, 2984, 3507, 4008, 4476, 4676, 5222, 5968, 7014, 7833, 8016, 8952, 9352, 10444, 14028, 15666, 17904, 18704, 20888, 28056, 31332, 41776, 56112, 62291, 62664, 124582, 125328, 186873, 249164, 373746, 436037, 498328, 747492, 872074, 996656, 1308111, 1494984, 1744148, 2616222, 2989968, 3488296, 5232444, 6976592, 10464888, 20929776]

約数ペア:

[(1, 20929776), (2, 10464888), (3, 6976592), (4, 5232444), (6, 3488296), (7, 2989968), (8, 2616222), (12, 1744148), (14, 1494984), (16, 1308111), (21, 996656), (24, 872074), (28, 747492), (42, 498328), (48, 436037), (56, 373746), (84, 249164), (112, 186873), (167, 125328), (168, 124582), (334, 62664), (336, 62291), (373, 56112), (501, 41776), (668, 31332), (746, 28056), (1002, 20888), (1119, 18704), (1169, 17904), (1336, 15666), (1492, 14028), (2004, 10444), (2238, 9352), (2338, 8952), (2611, 8016), (2672, 7833), (2984, 7014), (3507, 5968), (4008, 5222), (4476, 4676)]