20455476

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1229}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 50971200

約数和(自身を除く): 30515724

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1229, 1387, 2458, 2774, 3687, 4161, 4916, 5548, 7374, 8322, 14748, 16644, 23351, 46702, 70053, 89717, 93404, 140106, 179434, 269151, 280212, 358868, 538302, 1076604, 1704623, 3409246, 5113869, 6818492, 10227738, 20455476]

約数ペア:

[(1, 20455476), (2, 10227738), (3, 6818492), (4, 5113869), (6, 3409246), (12, 1704623), (19, 1076604), (38, 538302), (57, 358868), (73, 280212), (76, 269151), (114, 179434), (146, 140106), (219, 93404), (228, 89717), (292, 70053), (438, 46702), (876, 23351), (1229, 16644), (1387, 14748), (2458, 8322), (2774, 7374), (3687, 5548), (4161, 4916)]