20675876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 22789084

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1231, 1292, 2462, 4199, 4924, 8398, 16003, 16796, 20927, 23389, 32006, 41854, 46778, 64012, 83708, 93556, 272051, 304057, 397613, 544102, 608114, 795226, 1088204, 1216228, 1590452, 5168969, 10337938, 20675876]

約数ペア:

[(1, 20675876), (2, 10337938), (4, 5168969), (13, 1590452), (17, 1216228), (19, 1088204), (26, 795226), (34, 608114), (38, 544102), (52, 397613), (68, 304057), (76, 272051), (221, 93556), (247, 83708), (323, 64012), (442, 46778), (494, 41854), (646, 32006), (884, 23389), (988, 20927), (1231, 16796), (1292, 16003), (2462, 8398), (4199, 4924)]