20216964438

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1\times {\mathrm{2953}}^1$

素因数の和:3530

約数の個数: 96

約数和(自身を含む): 48574536192

約数和(自身を除く): 28357571754

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 487, 639, 781, 974, 1278, 1461, 1562, 2343, 2922, 2953, 4383, 4686, 5357, 5906, 7029, 8766, 8859, 10714, 14058, 16071, 17718, 26577, 32142, 32483, 34577, 48213, 53154, 64966, 69154, 96426, 97449, 103731, 194898, 207462, 209663, 292347, 311193, 380347, 419326, 584694, 622386, 628989, 760694, 1141041, 1257978, 1438111, 1886967, 2282082, 2306293, 2876222, 3423123, 3773934, 4314333, 4612586, 6846246, 6918879, 8628666, 12942999, 13837758, 15819221, 20756637, 25885998, 31638442, 41513274, 47457663, 94915326, 102105881, 142372989, 204211762, 284745978, 306317643, 612635286, 918952929, 1123164691, 1837905858, 2246329382, 3369494073, 6738988146, 10108482219, 20216964438]

約数ペア:

[(1, 20216964438), (2, 10108482219), (3, 6738988146), (6, 3369494073), (9, 2246329382), (11, 1837905858), (18, 1123164691), (22, 918952929), (33, 612635286), (66, 306317643), (71, 284745978), (99, 204211762), (142, 142372989), (198, 102105881), (213, 94915326), (426, 47457663), (487, 41513274), (639, 31638442), (781, 25885998), (974, 20756637), (1278, 15819221), (1461, 13837758), (1562, 12942999), (2343, 8628666), (2922, 6918879), (2953, 6846246), (4383, 4612586), (4686, 4314333), (5357, 3773934), (5906, 3423123), (7029, 2876222), (8766, 2306293), (8859, 2282082), (10714, 1886967), (14058, 1438111), (16071, 1257978), (17718, 1141041), (26577, 760694), (32142, 628989), (32483, 622386), (34577, 584694), (48213, 419326), (53154, 380347), (64966, 311193), (69154, 292347), (96426, 209663), (97449, 207462), (103731, 194898)]