20873435516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{761}}^1\times {\mathrm{1297}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 38882555712

約数和(自身を除く): 18009120196

約数列:

[1, 2, 4, 17, 34, 68, 311, 622, 761, 1244, 1297, 1522, 2594, 3044, 5188, 5287, 10574, 12937, 21148, 22049, 25874, 44098, 51748, 88196, 236671, 403367, 473342, 806734, 946684, 987017, 1613468, 1974034, 3948068, 4023407, 6857239, 8046814, 13714478, 16093628, 16779289, 27428956, 33558578, 67117156, 306962287, 613924574, 1227849148, 5218358879, 10436717758, 20873435516]

約数ペア:

[(1, 20873435516), (2, 10436717758), (4, 5218358879), (17, 1227849148), (34, 613924574), (68, 306962287), (311, 67117156), (622, 33558578), (761, 27428956), (1244, 16779289), (1297, 16093628), (1522, 13714478), (2594, 8046814), (3044, 6857239), (5188, 4023407), (5287, 3948068), (10574, 1974034), (12937, 1613468), (21148, 987017), (22049, 946684), (25874, 806734), (44098, 473342), (51748, 403367), (88196, 236671)]