20873190249

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1021}}^1$

素因数の和:1195

約数の個数: 72

約数和(自身を含む): 32540762072

約数和(自身を除く): 11667571823

約数列:

[1, 3, 9, 29, 37, 73, 87, 111, 219, 261, 333, 657, 841, 1021, 1073, 2117, 2523, 2701, 3063, 3219, 6351, 7569, 8103, 9189, 9657, 19053, 24309, 29609, 31117, 37777, 61393, 74533, 78329, 88827, 93351, 113331, 184179, 223599, 234987, 266481, 280053, 339993, 552537, 670797, 704961, 858661, 1095533, 2161457, 2271541, 2575983, 2757721, 3286599, 6484371, 6814623, 7727949, 8273163, 9859797, 19453113, 20443869, 24819489, 31770457, 62682253, 79973909, 95311371, 188046759, 239921727, 285934113, 564140277, 719765181, 2319243361, 6957730083, 20873190249]

約数ペア:

[(1, 20873190249), (3, 6957730083), (9, 2319243361), (29, 719765181), (37, 564140277), (73, 285934113), (87, 239921727), (111, 188046759), (219, 95311371), (261, 79973909), (333, 62682253), (657, 31770457), (841, 24819489), (1021, 20443869), (1073, 19453113), (2117, 9859797), (2523, 8273163), (2701, 7727949), (3063, 6814623), (3219, 6484371), (6351, 3286599), (7569, 2757721), (8103, 2575983), (9189, 2271541), (9657, 2161457), (19053, 1095533), (24309, 858661), (29609, 704961), (31117, 670797), (37777, 552537), (61393, 339993), (74533, 280053), (78329, 266481), (88827, 234987), (93351, 223599), (113331, 184179)]