20197797372

素因数分解:

$2^2\times 3^2\times {\mathrm{277}}^1\times {\mathrm{401}}^1\times {\mathrm{5051}}^1$

素因数の和:5739

約数の個数: 72

約数和(自身を含む): 51377809392

約数和(自身を除く): 31180012020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 277, 401, 554, 802, 831, 1108, 1203, 1604, 1662, 2406, 2493, 3324, 3609, 4812, 4986, 5051, 7218, 9972, 10102, 14436, 15153, 20204, 30306, 45459, 60612, 90918, 111077, 181836, 222154, 333231, 444308, 666462, 999693, 1332924, 1399127, 1999386, 2025451, 2798254, 3998772, 4050902, 4197381, 5596508, 6076353, 8101804, 8394762, 12152706, 12592143, 16789524, 18229059, 24305412, 25184286, 36458118, 50368572, 72916236, 561049927, 1122099854, 1683149781, 2244199708, 3366299562, 5049449343, 6732599124, 10098898686, 20197797372]

約数ペア:

[(1, 20197797372), (2, 10098898686), (3, 6732599124), (4, 5049449343), (6, 3366299562), (9, 2244199708), (12, 1683149781), (18, 1122099854), (36, 561049927), (277, 72916236), (401, 50368572), (554, 36458118), (802, 25184286), (831, 24305412), (1108, 18229059), (1203, 16789524), (1604, 12592143), (1662, 12152706), (2406, 8394762), (2493, 8101804), (3324, 6076353), (3609, 5596508), (4812, 4197381), (4986, 4050902), (5051, 3998772), (7218, 2798254), (9972, 2025451), (10102, 1999386), (14436, 1399127), (15153, 1332924), (20204, 999693), (30306, 666462), (45459, 444308), (60612, 333231), (90918, 222154), (111077, 181836)]