20965872

素因数分解:

$2^4\times 3^1\times {\mathrm{577}}^1\times {\mathrm{757}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 54327376

約数和(自身を除く): 33361504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 577, 757, 1154, 1514, 1731, 2271, 2308, 3028, 3462, 4542, 4616, 6056, 6924, 9084, 9232, 12112, 13848, 18168, 27696, 36336, 436789, 873578, 1310367, 1747156, 2620734, 3494312, 5241468, 6988624, 10482936, 20965872]

約数ペア:

[(1, 20965872), (2, 10482936), (3, 6988624), (4, 5241468), (6, 3494312), (8, 2620734), (12, 1747156), (16, 1310367), (24, 873578), (48, 436789), (577, 36336), (757, 27696), (1154, 18168), (1514, 13848), (1731, 12112), (2271, 9232), (2308, 9084), (3028, 6924), (3462, 6056), (4542, 4616)]