20700186

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 48117888

約数和(自身を除く): 27417702

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 67, 78, 102, 134, 201, 221, 233, 402, 442, 466, 663, 699, 871, 1139, 1326, 1398, 1742, 2278, 2613, 3029, 3417, 3961, 5226, 6058, 6834, 7922, 9087, 11883, 14807, 15611, 18174, 23766, 29614, 31222, 44421, 46833, 51493, 88842, 93666, 102986, 154479, 202943, 265387, 308958, 405886, 530774, 608829, 796161, 1217658, 1592322, 3450031, 6900062, 10350093, 20700186]

約数ペア:

[(1, 20700186), (2, 10350093), (3, 6900062), (6, 3450031), (13, 1592322), (17, 1217658), (26, 796161), (34, 608829), (39, 530774), (51, 405886), (67, 308958), (78, 265387), (102, 202943), (134, 154479), (201, 102986), (221, 93666), (233, 88842), (402, 51493), (442, 46833), (466, 44421), (663, 31222), (699, 29614), (871, 23766), (1139, 18174), (1326, 15611), (1398, 14807), (1742, 11883), (2278, 9087), (2613, 7922), (3029, 6834), (3417, 6058), (3961, 5226)]