20387532

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 55115200

約数和(自身を除く): 34727668

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 121, 132, 209, 228, 242, 363, 418, 484, 627, 726, 739, 836, 1254, 1452, 1478, 2217, 2299, 2508, 2956, 4434, 4598, 6897, 8129, 8868, 9196, 13794, 14041, 16258, 24387, 27588, 28082, 32516, 42123, 48774, 56164, 84246, 89419, 97548, 154451, 168492, 178838, 268257, 308902, 357676, 463353, 536514, 617804, 926706, 1073028, 1698961, 1853412, 3397922, 5096883, 6795844, 10193766, 20387532]

約数ペア:

[(1, 20387532), (2, 10193766), (3, 6795844), (4, 5096883), (6, 3397922), (11, 1853412), (12, 1698961), (19, 1073028), (22, 926706), (33, 617804), (38, 536514), (44, 463353), (57, 357676), (66, 308902), (76, 268257), (114, 178838), (121, 168492), (132, 154451), (209, 97548), (228, 89419), (242, 84246), (363, 56164), (418, 48774), (484, 42123), (627, 32516), (726, 28082), (739, 27588), (836, 24387), (1254, 16258), (1452, 14041), (1478, 13794), (2217, 9196), (2299, 8868), (2508, 8129), (2956, 6897), (4434, 4598)]