20721451212

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2491757}}^1$

素因数の和:2491788

約数の個数: 96

約数和(自身を含む): 66978455040

約数和(自身を除く): 46257003828

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 84, 99, 108, 126, 132, 154, 189, 198, 231, 252, 297, 308, 378, 396, 462, 594, 693, 756, 924, 1188, 1386, 2079, 2772, 4158, 8316, 2491757, 4983514, 7475271, 9967028, 14950542, 17442299, 22425813, 27409327, 29901084, 34884598, 44851626, 52326897, 54818654, 67277439, 69769196, 82227981, 89703252, 104653794, 109637308, 134554878, 156980691, 164455962, 191865289, 209307588, 246683943, 269109756, 313961382, 328911924, 383730578, 470942073, 493367886, 575595867, 627922764, 740051829, 767461156, 941884146, 986735772, 1151191734, 1480103658, 1726787601, 1883768292, 2302383468, 2960207316, 3453575202, 5180362803, 6907150404, 10360725606, 20721451212]

約数ペア:

[(1, 20721451212), (2, 10360725606), (3, 6907150404), (4, 5180362803), (6, 3453575202), (7, 2960207316), (9, 2302383468), (11, 1883768292), (12, 1726787601), (14, 1480103658), (18, 1151191734), (21, 986735772), (22, 941884146), (27, 767461156), (28, 740051829), (33, 627922764), (36, 575595867), (42, 493367886), (44, 470942073), (54, 383730578), (63, 328911924), (66, 313961382), (77, 269109756), (84, 246683943), (99, 209307588), (108, 191865289), (126, 164455962), (132, 156980691), (154, 134554878), (189, 109637308), (198, 104653794), (231, 89703252), (252, 82227981), (297, 69769196), (308, 67277439), (378, 54818654), (396, 52326897), (462, 44851626), (594, 34884598), (693, 29901084), (756, 27409327), (924, 22425813), (1188, 17442299), (1386, 14950542), (2079, 9967028), (2772, 7475271), (4158, 4983514), (8316, 2491757)]