20660016

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 58183776

約数和(自身を除く): 37523760

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 113, 156, 208, 226, 293, 312, 339, 452, 586, 624, 678, 879, 904, 1172, 1356, 1469, 1758, 1808, 2344, 2712, 2938, 3516, 3809, 4407, 4688, 5424, 5876, 7032, 7618, 8814, 11427, 11752, 14064, 15236, 17628, 22854, 23504, 30472, 33109, 35256, 45708, 60944, 66218, 70512, 91416, 99327, 132436, 182832, 198654, 264872, 397308, 430417, 529744, 794616, 860834, 1291251, 1589232, 1721668, 2582502, 3443336, 5165004, 6886672, 10330008, 20660016]

約数ペア:

[(1, 20660016), (2, 10330008), (3, 6886672), (4, 5165004), (6, 3443336), (8, 2582502), (12, 1721668), (13, 1589232), (16, 1291251), (24, 860834), (26, 794616), (39, 529744), (48, 430417), (52, 397308), (78, 264872), (104, 198654), (113, 182832), (156, 132436), (208, 99327), (226, 91416), (293, 70512), (312, 66218), (339, 60944), (452, 45708), (586, 35256), (624, 33109), (678, 30472), (879, 23504), (904, 22854), (1172, 17628), (1356, 15236), (1469, 14064), (1758, 11752), (1808, 11427), (2344, 8814), (2712, 7618), (2938, 7032), (3516, 5876), (3809, 5424), (4407, 4688)]