20658924

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4013}}^1$

素因数の和:4047

約数の個数: 72

約数和(自身を含む): 61366032

約数和(自身を除く): 40707108

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 4013, 5148, 8026, 12039, 16052, 24078, 36117, 44143, 48156, 52169, 72234, 88286, 104338, 132429, 144468, 156507, 176572, 208676, 264858, 313014, 397287, 469521, 529716, 573859, 626028, 794574, 939042, 1147718, 1589148, 1721577, 1878084, 2295436, 3443154, 5164731, 6886308, 10329462, 20658924]

約数ペア:

[(1, 20658924), (2, 10329462), (3, 6886308), (4, 5164731), (6, 3443154), (9, 2295436), (11, 1878084), (12, 1721577), (13, 1589148), (18, 1147718), (22, 939042), (26, 794574), (33, 626028), (36, 573859), (39, 529716), (44, 469521), (52, 397287), (66, 313014), (78, 264858), (99, 208676), (117, 176572), (132, 156507), (143, 144468), (156, 132429), (198, 104338), (234, 88286), (286, 72234), (396, 52169), (429, 48156), (468, 44143), (572, 36117), (858, 24078), (1287, 16052), (1716, 12039), (2574, 8026), (4013, 5148)]