20048248

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 41895000

約数和(自身を除く): 21846752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 139, 149, 242, 278, 298, 484, 556, 596, 968, 1112, 1192, 1529, 1639, 3058, 3278, 6116, 6556, 12232, 13112, 16819, 18029, 20711, 33638, 36058, 41422, 67276, 72116, 82844, 134552, 144232, 165688, 227821, 455642, 911284, 1822568, 2506031, 5012062, 10024124, 20048248]

約数ペア:

[(1, 20048248), (2, 10024124), (4, 5012062), (8, 2506031), (11, 1822568), (22, 911284), (44, 455642), (88, 227821), (121, 165688), (139, 144232), (149, 134552), (242, 82844), (278, 72116), (298, 67276), (484, 41422), (556, 36058), (596, 33638), (968, 20711), (1112, 18029), (1192, 16819), (1529, 13112), (1639, 12232), (3058, 6556), (3278, 6116)]