20808540852

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{947}}^1$

素因数の和:1422

約数の個数: 144

約数和(自身を含む): 55002884160

約数和(自身を除く): 34194343308

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 121, 132, 148, 222, 242, 363, 407, 409, 444, 484, 726, 814, 818, 947, 1221, 1227, 1452, 1628, 1636, 1894, 2442, 2454, 2841, 3788, 4477, 4499, 4884, 4908, 5682, 8954, 8998, 10417, 11364, 13431, 13497, 15133, 17908, 17996, 20834, 26862, 26994, 30266, 31251, 35039, 41668, 45399, 49489, 53724, 53988, 60532, 62502, 70078, 90798, 98978, 105117, 114587, 125004, 140156, 148467, 166463, 181596, 197956, 210234, 229174, 296934, 332926, 343761, 385429, 387323, 420468, 458348, 499389, 593868, 665852, 687522, 770858, 774646, 998778, 1156287, 1161969, 1375044, 1541716, 1549292, 1831093, 1997556, 2312574, 2323938, 3662186, 4239719, 4260553, 4625148, 4647876, 5493279, 7324372, 8479438, 8521106, 10986558, 12719157, 12781659, 14330951, 16958876, 17042212, 21973116, 25438314, 25563318, 28661902, 42992853, 46866083, 50876628, 51126636, 57323804, 85985706, 93732166, 140598249, 157640461, 171971412, 187464332, 281196498, 315280922, 472921383, 562392996, 630561844, 945842766, 1734045071, 1891685532, 3468090142, 5202135213, 6936180284, 10404270426, 20808540852]

約数ペア:

[(1, 20808540852), (2, 10404270426), (3, 6936180284), (4, 5202135213), (6, 3468090142), (11, 1891685532), (12, 1734045071), (22, 945842766), (33, 630561844), (37, 562392996), (44, 472921383), (66, 315280922), (74, 281196498), (111, 187464332), (121, 171971412), (132, 157640461), (148, 140598249), (222, 93732166), (242, 85985706), (363, 57323804), (407, 51126636), (409, 50876628), (444, 46866083), (484, 42992853), (726, 28661902), (814, 25563318), (818, 25438314), (947, 21973116), (1221, 17042212), (1227, 16958876), (1452, 14330951), (1628, 12781659), (1636, 12719157), (1894, 10986558), (2442, 8521106), (2454, 8479438), (2841, 7324372), (3788, 5493279), (4477, 4647876), (4499, 4625148), (4884, 4260553), (4908, 4239719), (5682, 3662186), (8954, 2323938), (8998, 2312574), (10417, 1997556), (11364, 1831093), (13431, 1549292), (13497, 1541716), (15133, 1375044), (17908, 1161969), (17996, 1156287), (20834, 998778), (26862, 774646), (26994, 770858), (30266, 687522), (31251, 665852), (35039, 593868), (41668, 499389), (45399, 458348), (49489, 420468), (53724, 387323), (53988, 385429), (60532, 343761), (62502, 332926), (70078, 296934), (90798, 229174), (98978, 210234), (105117, 197956), (114587, 181596), (125004, 166463), (140156, 148467)]