20013156

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3251}}^1$

素因数の和:3286

約数の個数: 60

約数和(自身を含む): 55088880

約数和(自身を除く): 35075724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3251, 6156, 6502, 9753, 13004, 19506, 29259, 39012, 58518, 61769, 87777, 117036, 123538, 175554, 185307, 247076, 263331, 351108, 370614, 526662, 555921, 741228, 1053324, 1111842, 1667763, 2223684, 3335526, 5003289, 6671052, 10006578, 20013156]

約数ペア:

[(1, 20013156), (2, 10006578), (3, 6671052), (4, 5003289), (6, 3335526), (9, 2223684), (12, 1667763), (18, 1111842), (19, 1053324), (27, 741228), (36, 555921), (38, 526662), (54, 370614), (57, 351108), (76, 263331), (81, 247076), (108, 185307), (114, 175554), (162, 123538), (171, 117036), (228, 87777), (324, 61769), (342, 58518), (513, 39012), (684, 29259), (1026, 19506), (1539, 13004), (2052, 9753), (3078, 6502), (3251, 6156)]