20213218140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{247529}}^1$

素因数の和:248902

約数の個数: 48

約数和(自身を含む): 56638824480

約数和(自身を除く): 36425606340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1361, 2722, 4083, 5444, 6805, 8166, 13610, 16332, 20415, 27220, 40830, 81660, 247529, 495058, 742587, 990116, 1237645, 1485174, 2475290, 2970348, 3712935, 4950580, 7425870, 14851740, 336886969, 673773938, 1010660907, 1347547876, 1684434845, 2021321814, 3368869690, 4042643628, 5053304535, 6737739380, 10106609070, 20213218140]

約数ペア:

[(1, 20213218140), (2, 10106609070), (3, 6737739380), (4, 5053304535), (5, 4042643628), (6, 3368869690), (10, 2021321814), (12, 1684434845), (15, 1347547876), (20, 1010660907), (30, 673773938), (60, 336886969), (1361, 14851740), (2722, 7425870), (4083, 4950580), (5444, 3712935), (6805, 2970348), (8166, 2475290), (13610, 1485174), (16332, 1237645), (20415, 990116), (27220, 742587), (40830, 495058), (81660, 247529)]