20085087308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{121501}}^1$

素因数の和:121563

約数の個数: 72

約数和(自身を含む): 43866110064

約数和(自身を除く): 23781022756

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 289, 374, 442, 572, 578, 748, 884, 1156, 2431, 3179, 3757, 4862, 6358, 7514, 9724, 12716, 15028, 41327, 82654, 121501, 165308, 243002, 486004, 1336511, 1579513, 2065517, 2673022, 3159026, 4131034, 5346044, 6318052, 8262068, 17374643, 22720687, 26851721, 34749286, 35113789, 45441374, 53703442, 69498572, 70227578, 90882748, 107406884, 140455156, 295368931, 386251679, 456479257, 590737862, 772503358, 912958514, 1181475724, 1545006716, 1825917028, 5021271827, 10042543654, 20085087308]

約数ペア:

[(1, 20085087308), (2, 10042543654), (4, 5021271827), (11, 1825917028), (13, 1545006716), (17, 1181475724), (22, 912958514), (26, 772503358), (34, 590737862), (44, 456479257), (52, 386251679), (68, 295368931), (143, 140455156), (187, 107406884), (221, 90882748), (286, 70227578), (289, 69498572), (374, 53703442), (442, 45441374), (572, 35113789), (578, 34749286), (748, 26851721), (884, 22720687), (1156, 17374643), (2431, 8262068), (3179, 6318052), (3757, 5346044), (4862, 4131034), (6358, 3159026), (7514, 2673022), (9724, 2065517), (12716, 1579513), (15028, 1336511), (41327, 486004), (82654, 243002), (121501, 165308)]