20312756

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 19059724

約数列:

[1, 2, 4, 17, 34, 59, 61, 68, 83, 118, 122, 166, 236, 244, 332, 1003, 1037, 1411, 2006, 2074, 2822, 3599, 4012, 4148, 4897, 5063, 5644, 7198, 9794, 10126, 14396, 19588, 20252, 61183, 83249, 86071, 122366, 166498, 172142, 244732, 298717, 332996, 344284, 597434, 1194868, 5078189, 10156378, 20312756]

約数ペア:

[(1, 20312756), (2, 10156378), (4, 5078189), (17, 1194868), (34, 597434), (59, 344284), (61, 332996), (68, 298717), (83, 244732), (118, 172142), (122, 166498), (166, 122366), (236, 86071), (244, 83249), (332, 61183), (1003, 20252), (1037, 19588), (1411, 14396), (2006, 10126), (2074, 9794), (2822, 7198), (3599, 5644), (4012, 5063), (4148, 4897)]