20717628

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2477}}^1$

素因数の和:2542

約数の個数: 48

約数和(自身を含む): 52454304

約数和(自身を除く): 31736676

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 41, 51, 68, 82, 102, 123, 164, 204, 246, 492, 697, 1394, 2091, 2477, 2788, 4182, 4954, 7431, 8364, 9908, 14862, 29724, 42109, 84218, 101557, 126327, 168436, 203114, 252654, 304671, 406228, 505308, 609342, 1218684, 1726469, 3452938, 5179407, 6905876, 10358814, 20717628]

約数ペア:

[(1, 20717628), (2, 10358814), (3, 6905876), (4, 5179407), (6, 3452938), (12, 1726469), (17, 1218684), (34, 609342), (41, 505308), (51, 406228), (68, 304671), (82, 252654), (102, 203114), (123, 168436), (164, 126327), (204, 101557), (246, 84218), (492, 42109), (697, 29724), (1394, 14862), (2091, 9908), (2477, 8364), (2788, 7431), (4182, 4954)]