20348940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1481}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 57264480

約数和(自身を除く): 36915540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 687, 916, 1145, 1374, 1481, 2290, 2748, 2962, 3435, 4443, 4580, 5924, 6870, 7405, 8886, 13740, 14810, 17772, 22215, 29620, 44430, 88860, 339149, 678298, 1017447, 1356596, 1695745, 2034894, 3391490, 4069788, 5087235, 6782980, 10174470, 20348940]

約数ペア:

[(1, 20348940), (2, 10174470), (3, 6782980), (4, 5087235), (5, 4069788), (6, 3391490), (10, 2034894), (12, 1695745), (15, 1356596), (20, 1017447), (30, 678298), (60, 339149), (229, 88860), (458, 44430), (687, 29620), (916, 22215), (1145, 17772), (1374, 14810), (1481, 13740), (2290, 8886), (2748, 7405), (2962, 6870), (3435, 5924), (4443, 4580)]