20123362868

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{683}}^1\times {\mathrm{4987}}^1$

素因数の和:5892

約数の個数: 48

約数和(自身を含む): 40504794624

約数和(自身を除く): 20381431756

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 683, 844, 1366, 1477, 2732, 2954, 4781, 4987, 5908, 9562, 9974, 19124, 19948, 34909, 69818, 139636, 144113, 288226, 576452, 1008791, 1052257, 2017582, 2104514, 3406121, 4035164, 4209028, 6812242, 7365799, 13624484, 14731598, 23842847, 29463196, 47685694, 95371388, 718691531, 1437383062, 2874766124, 5030840717, 10061681434, 20123362868]

約数ペア:

[(1, 20123362868), (2, 10061681434), (4, 5030840717), (7, 2874766124), (14, 1437383062), (28, 718691531), (211, 95371388), (422, 47685694), (683, 29463196), (844, 23842847), (1366, 14731598), (1477, 13624484), (2732, 7365799), (2954, 6812242), (4781, 4209028), (4987, 4035164), (5908, 3406121), (9562, 2104514), (9974, 2017582), (19124, 1052257), (19948, 1008791), (34909, 576452), (69818, 288226), (139636, 144113)]