20713872

素因数分解:

$2^4\times 3^1\times {\mathrm{397}}^1\times {\mathrm{1087}}^1$

素因数の和:1495

約数の個数: 40

約数和(自身を含む): 53694976

約数和(自身を除く): 32981104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 397, 794, 1087, 1191, 1588, 2174, 2382, 3176, 3261, 4348, 4764, 6352, 6522, 8696, 9528, 13044, 17392, 19056, 26088, 52176, 431539, 863078, 1294617, 1726156, 2589234, 3452312, 5178468, 6904624, 10356936, 20713872]

約数ペア:

[(1, 20713872), (2, 10356936), (3, 6904624), (4, 5178468), (6, 3452312), (8, 2589234), (12, 1726156), (16, 1294617), (24, 863078), (48, 431539), (397, 52176), (794, 26088), (1087, 19056), (1191, 17392), (1588, 13044), (2174, 9528), (2382, 8696), (3176, 6522), (3261, 6352), (4348, 4764)]