20197745172

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{395383}}^1$

素因数の和:395450

約数の個数: 96

約数和(自身を含む): 58453570560

約数和(自身を除く): 38255825388

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 43, 44, 54, 66, 86, 99, 108, 129, 132, 172, 198, 258, 297, 387, 396, 473, 516, 594, 774, 946, 1161, 1188, 1419, 1548, 1892, 2322, 2838, 4257, 4644, 5676, 8514, 12771, 17028, 25542, 51084, 395383, 790766, 1186149, 1581532, 2372298, 3558447, 4349213, 4744596, 7116894, 8698426, 10675341, 13047639, 14233788, 17001469, 17396852, 21350682, 26095278, 34002938, 39142917, 42701364, 51004407, 52190556, 68005876, 78285834, 102008814, 117428751, 153013221, 156571668, 187016159, 204017628, 234857502, 306026442, 374032318, 459039663, 469715004, 561048477, 612052884, 748064636, 918079326, 1122096954, 1683145431, 1836158652, 2244193908, 3366290862, 5049436293, 6732581724, 10098872586, 20197745172]

約数ペア:

[(1, 20197745172), (2, 10098872586), (3, 6732581724), (4, 5049436293), (6, 3366290862), (9, 2244193908), (11, 1836158652), (12, 1683145431), (18, 1122096954), (22, 918079326), (27, 748064636), (33, 612052884), (36, 561048477), (43, 469715004), (44, 459039663), (54, 374032318), (66, 306026442), (86, 234857502), (99, 204017628), (108, 187016159), (129, 156571668), (132, 153013221), (172, 117428751), (198, 102008814), (258, 78285834), (297, 68005876), (387, 52190556), (396, 51004407), (473, 42701364), (516, 39142917), (594, 34002938), (774, 26095278), (946, 21350682), (1161, 17396852), (1188, 17001469), (1419, 14233788), (1548, 13047639), (1892, 10675341), (2322, 8698426), (2838, 7116894), (4257, 4744596), (4644, 4349213), (5676, 3558447), (8514, 2372298), (12771, 1581532), (17028, 1186149), (25542, 790766), (51084, 395383)]