20087345509

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{2029}}^1$

素因数の和:2234

約数の個数: 64

約数和(自身を含む): 27033753600

約数和(自身を除く): 6946408091

約数列:

[1, 7, 11, 19, 67, 77, 101, 133, 209, 469, 707, 737, 1111, 1273, 1463, 1919, 2029, 5159, 6767, 7777, 8911, 13433, 14003, 14203, 21109, 22319, 38551, 47369, 74437, 98021, 128573, 135943, 147763, 156233, 204929, 269857, 424061, 521059, 900011, 951601, 1414303, 1434503, 1495373, 2254219, 2582917, 2968427, 3893651, 9900121, 10467611, 13730243, 15779533, 18080419, 27255557, 28412087, 42830161, 96111701, 151032673, 198884609, 260874617, 299811127, 1057228711, 1826122319, 2869620787, 20087345509]

約数ペア:

[(1, 20087345509), (7, 2869620787), (11, 1826122319), (19, 1057228711), (67, 299811127), (77, 260874617), (101, 198884609), (133, 151032673), (209, 96111701), (469, 42830161), (707, 28412087), (737, 27255557), (1111, 18080419), (1273, 15779533), (1463, 13730243), (1919, 10467611), (2029, 9900121), (5159, 3893651), (6767, 2968427), (7777, 2582917), (8911, 2254219), (13433, 1495373), (14003, 1434503), (14203, 1414303), (21109, 951601), (22319, 900011), (38551, 521059), (47369, 424061), (74437, 269857), (98021, 204929), (128573, 156233), (135943, 147763)]