20088764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 19283716

約数列:

[1, 2, 4, 17, 29, 34, 58, 61, 68, 116, 122, 167, 244, 334, 493, 668, 986, 1037, 1769, 1972, 2074, 2839, 3538, 4148, 4843, 5678, 7076, 9686, 10187, 11356, 19372, 20374, 30073, 40748, 60146, 82331, 120292, 164662, 173179, 295423, 329324, 346358, 590846, 692716, 1181692, 5022191, 10044382, 20088764]

約数ペア:

[(1, 20088764), (2, 10044382), (4, 5022191), (17, 1181692), (29, 692716), (34, 590846), (58, 346358), (61, 329324), (68, 295423), (116, 173179), (122, 164662), (167, 120292), (244, 82331), (334, 60146), (493, 40748), (668, 30073), (986, 20374), (1037, 19372), (1769, 11356), (1972, 10187), (2074, 9686), (2839, 7076), (3538, 5678), (4148, 4843)]