20534852

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:888

約数の個数: 36

約数和(自身を含む): 40013316

約数和(自身を除く): 19478464

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 169, 338, 481, 676, 821, 962, 1642, 1924, 3284, 6253, 10673, 12506, 21346, 25012, 30377, 42692, 60754, 121508, 138749, 277498, 394901, 554996, 789802, 1579604, 5133713, 10267426, 20534852]

約数ペア:

[(1, 20534852), (2, 10267426), (4, 5133713), (13, 1579604), (26, 789802), (37, 554996), (52, 394901), (74, 277498), (148, 138749), (169, 121508), (338, 60754), (481, 42692), (676, 30377), (821, 25012), (962, 21346), (1642, 12506), (1924, 10673), (3284, 6253)]