20521116

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{673}}^1$

素因数の和:712

約数の個数: 108

約数和(自身を含む): 65259376

約数和(自身を除く): 44738260

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 121, 126, 132, 154, 198, 231, 242, 252, 308, 363, 396, 462, 484, 673, 693, 726, 847, 924, 1089, 1346, 1386, 1452, 1694, 2019, 2178, 2541, 2692, 2772, 3388, 4038, 4356, 4711, 5082, 6057, 7403, 7623, 8076, 9422, 10164, 12114, 14133, 14806, 15246, 18844, 22209, 24228, 28266, 29612, 30492, 42399, 44418, 51821, 56532, 66627, 81433, 84798, 88836, 103642, 133254, 155463, 162866, 169596, 207284, 244299, 266508, 310926, 325732, 466389, 488598, 570031, 621852, 732897, 932778, 977196, 1140062, 1465794, 1710093, 1865556, 2280124, 2931588, 3420186, 5130279, 6840372, 10260558, 20521116]

約数ペア:

[(1, 20521116), (2, 10260558), (3, 6840372), (4, 5130279), (6, 3420186), (7, 2931588), (9, 2280124), (11, 1865556), (12, 1710093), (14, 1465794), (18, 1140062), (21, 977196), (22, 932778), (28, 732897), (33, 621852), (36, 570031), (42, 488598), (44, 466389), (63, 325732), (66, 310926), (77, 266508), (84, 244299), (99, 207284), (121, 169596), (126, 162866), (132, 155463), (154, 133254), (198, 103642), (231, 88836), (242, 84798), (252, 81433), (308, 66627), (363, 56532), (396, 51821), (462, 44418), (484, 42399), (673, 30492), (693, 29612), (726, 28266), (847, 24228), (924, 22209), (1089, 18844), (1346, 15246), (1386, 14806), (1452, 14133), (1694, 12114), (2019, 10164), (2178, 9422), (2541, 8076), (2692, 7623), (2772, 7403), (3388, 6057), (4038, 5082), (4356, 4711)]