20191674916

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{161363}}^1$

素因数の和:161524

約数の個数: 48

約数和(自身を含む): 41748094080

約数和(自身を除く): 21556419164

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 109, 164, 218, 287, 436, 574, 763, 1148, 1526, 3052, 4469, 8938, 17876, 31283, 62566, 125132, 161363, 322726, 645452, 1129541, 2259082, 4518164, 6615883, 13231766, 17588567, 26463532, 35177134, 46311181, 70354268, 92622362, 123119969, 185244724, 246239938, 492479876, 721131247, 1442262494, 2884524988, 5047918729, 10095837458, 20191674916]

約数ペア:

[(1, 20191674916), (2, 10095837458), (4, 5047918729), (7, 2884524988), (14, 1442262494), (28, 721131247), (41, 492479876), (82, 246239938), (109, 185244724), (164, 123119969), (218, 92622362), (287, 70354268), (436, 46311181), (574, 35177134), (763, 26463532), (1148, 17588567), (1526, 13231766), (3052, 6615883), (4469, 4518164), (8938, 2259082), (17876, 1129541), (31283, 645452), (62566, 322726), (125132, 161363)]