20315484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4243}}^1$

素因数の和:4279

約数の個数: 72

約数和(自身を含む): 61792640

約数和(自身を除く): 41477156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4243, 4788, 8486, 12729, 16972, 25458, 29701, 38187, 50916, 59402, 76374, 80617, 89103, 118804, 152748, 161234, 178206, 241851, 267309, 322468, 356412, 483702, 534618, 564319, 725553, 967404, 1069236, 1128638, 1451106, 1692957, 2257276, 2902212, 3385914, 5078871, 6771828, 10157742, 20315484]

約数ペア:

[(1, 20315484), (2, 10157742), (3, 6771828), (4, 5078871), (6, 3385914), (7, 2902212), (9, 2257276), (12, 1692957), (14, 1451106), (18, 1128638), (19, 1069236), (21, 967404), (28, 725553), (36, 564319), (38, 534618), (42, 483702), (57, 356412), (63, 322468), (76, 267309), (84, 241851), (114, 178206), (126, 161234), (133, 152748), (171, 118804), (228, 89103), (252, 80617), (266, 76374), (342, 59402), (399, 50916), (532, 38187), (684, 29701), (798, 25458), (1197, 16972), (1596, 12729), (2394, 8486), (4243, 4788)]