20902266

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{457}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 58477440

約数和(自身を除く): 37575174

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 121, 126, 154, 189, 198, 231, 242, 297, 363, 378, 457, 462, 594, 693, 726, 847, 914, 1089, 1371, 1386, 1694, 2079, 2178, 2541, 2742, 3199, 3267, 4113, 4158, 5027, 5082, 6398, 6534, 7623, 8226, 9597, 10054, 12339, 15081, 15246, 19194, 22869, 24678, 28791, 30162, 35189, 45243, 45738, 55297, 57582, 70378, 86373, 90486, 105567, 110594, 135729, 165891, 172746, 211134, 271458, 316701, 331782, 387079, 497673, 633402, 774158, 950103, 995346, 1161237, 1493019, 1900206, 2322474, 2986038, 3483711, 6967422, 10451133, 20902266]

約数ペア:

[(1, 20902266), (2, 10451133), (3, 6967422), (6, 3483711), (7, 2986038), (9, 2322474), (11, 1900206), (14, 1493019), (18, 1161237), (21, 995346), (22, 950103), (27, 774158), (33, 633402), (42, 497673), (54, 387079), (63, 331782), (66, 316701), (77, 271458), (99, 211134), (121, 172746), (126, 165891), (154, 135729), (189, 110594), (198, 105567), (231, 90486), (242, 86373), (297, 70378), (363, 57582), (378, 55297), (457, 45738), (462, 45243), (594, 35189), (693, 30162), (726, 28791), (847, 24678), (914, 22869), (1089, 19194), (1371, 15246), (1386, 15081), (1694, 12339), (2079, 10054), (2178, 9597), (2541, 8226), (2742, 7623), (3199, 6534), (3267, 6398), (4113, 5082), (4158, 5027)]