20748144

素因数分解:

$2^4\times 3^1\times {\mathrm{313}}^1\times {\mathrm{1381}}^1$

素因数の和:1705

約数の個数: 40

約数和(自身を含む): 53809552

約数和(自身を除く): 33061408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 313, 626, 939, 1252, 1381, 1878, 2504, 2762, 3756, 4143, 5008, 5524, 7512, 8286, 11048, 15024, 16572, 22096, 33144, 66288, 432253, 864506, 1296759, 1729012, 2593518, 3458024, 5187036, 6916048, 10374072, 20748144]

約数ペア:

[(1, 20748144), (2, 10374072), (3, 6916048), (4, 5187036), (6, 3458024), (8, 2593518), (12, 1729012), (16, 1296759), (24, 864506), (48, 432253), (313, 66288), (626, 33144), (939, 22096), (1252, 16572), (1381, 15024), (1878, 11048), (2504, 8286), (2762, 7512), (3756, 5524), (4143, 5008)]