20628202287

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{13669}}^1$

素因数の和:13876

約数の個数: 64

約数和(自身を含む): 35275161600

約数和(自身を除く): 14646959313

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 139, 141, 231, 329, 417, 517, 973, 987, 1529, 1551, 2919, 3619, 4587, 6533, 10703, 10857, 13669, 19599, 32109, 41007, 45731, 71863, 95683, 137193, 150359, 215589, 287049, 451077, 503041, 642443, 1052513, 1509123, 1899991, 1927329, 3157539, 4497101, 5699973, 7066873, 13299937, 13491303, 20899901, 21200619, 39899811, 49468111, 62699703, 89299577, 146299307, 148404333, 267898731, 438897921, 625097039, 982295347, 1875291117, 2946886041, 6876067429, 20628202287]

約数ペア:

[(1, 20628202287), (3, 6876067429), (7, 2946886041), (11, 1875291117), (21, 982295347), (33, 625097039), (47, 438897921), (77, 267898731), (139, 148404333), (141, 146299307), (231, 89299577), (329, 62699703), (417, 49468111), (517, 39899811), (973, 21200619), (987, 20899901), (1529, 13491303), (1551, 13299937), (2919, 7066873), (3619, 5699973), (4587, 4497101), (6533, 3157539), (10703, 1927329), (10857, 1899991), (13669, 1509123), (19599, 1052513), (32109, 642443), (41007, 503041), (45731, 451077), (71863, 287049), (95683, 215589), (137193, 150359)]