20105828876

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1439}}^1\times {\mathrm{17207}}^1$

素因数の和:18686

約数の個数: 48

約数和(自身を含む): 41629593600

約数和(自身を除く): 21523764724

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 1439, 2878, 5756, 10073, 17207, 20146, 34414, 40292, 41731, 68828, 83462, 120449, 166924, 240898, 292117, 481796, 499003, 584234, 998006, 1168468, 1996012, 3493021, 6986042, 13972084, 24760873, 49521746, 99043492, 173326111, 346652222, 693304444, 718065317, 1436130634, 2872261268, 5026457219, 10052914438, 20105828876]

約数ペア:

[(1, 20105828876), (2, 10052914438), (4, 5026457219), (7, 2872261268), (14, 1436130634), (28, 718065317), (29, 693304444), (58, 346652222), (116, 173326111), (203, 99043492), (406, 49521746), (812, 24760873), (1439, 13972084), (2878, 6986042), (5756, 3493021), (10073, 1996012), (17207, 1168468), (20146, 998006), (34414, 584234), (40292, 499003), (41731, 481796), (68828, 292117), (83462, 240898), (120449, 166924)]