20236413981

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{717527}}^1$

素因数の和:717633

約数の個数: 32

約数和(自身を含む): 33063690240

約数和(自身を除く): 12827276259

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 1343, 1659, 4029, 9401, 28203, 717527, 2152581, 5022689, 12197959, 15068067, 36593877, 56684633, 85385713, 170053899, 256157139, 396792431, 963638761, 1190377293, 2890916283, 6745471327, 20236413981]

約数ペア:

[(1, 20236413981), (3, 6745471327), (7, 2890916283), (17, 1190377293), (21, 963638761), (51, 396792431), (79, 256157139), (119, 170053899), (237, 85385713), (357, 56684633), (553, 36593877), (1343, 15068067), (1659, 12197959), (4029, 5022689), (9401, 2152581), (28203, 717527)]