20441898

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 45991296

約数和(自身を除く): 25549398

約数列:

[1, 2, 3, 6, 9, 18, 47, 73, 94, 141, 146, 219, 282, 331, 423, 438, 657, 662, 846, 993, 1314, 1986, 2979, 3431, 5958, 6862, 10293, 15557, 20586, 24163, 30879, 31114, 46671, 48326, 61758, 72489, 93342, 140013, 144978, 217467, 280026, 434934, 1135661, 2271322, 3406983, 6813966, 10220949, 20441898]

約数ペア:

[(1, 20441898), (2, 10220949), (3, 6813966), (6, 3406983), (9, 2271322), (18, 1135661), (47, 434934), (73, 280026), (94, 217467), (141, 144978), (146, 140013), (219, 93342), (282, 72489), (331, 61758), (423, 48326), (438, 46671), (657, 31114), (662, 30879), (846, 24163), (993, 20586), (1314, 15557), (1986, 10293), (2979, 6862), (3431, 5958)]