20301320979

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{144847}}^1$

素因数の和:145064

約数の個数: 32

約数和(自身を含む): 31287168000

約数和(自身を除く): 10985847021

約数列:

[1, 3, 9, 27, 29, 87, 179, 261, 537, 783, 1611, 4833, 5191, 15573, 46719, 140157, 144847, 434541, 1303623, 3910869, 4200563, 12601689, 25927613, 37805067, 77782839, 113415201, 233348517, 700045551, 751900777, 2255702331, 6767106993, 20301320979]

約数ペア:

[(1, 20301320979), (3, 6767106993), (9, 2255702331), (27, 751900777), (29, 700045551), (87, 233348517), (179, 113415201), (261, 77782839), (537, 37805067), (783, 25927613), (1611, 12601689), (4833, 4200563), (5191, 3910869), (15573, 1303623), (46719, 434541), (140157, 144847)]