20837152

素因数分解:

$2^5\times 7^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 72

約数和(自身を含む): 48564684

約数和(自身を除く): 27727532

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 97, 98, 112, 137, 194, 196, 224, 274, 388, 392, 548, 679, 776, 784, 959, 1096, 1358, 1552, 1568, 1918, 2192, 2716, 3104, 3836, 4384, 4753, 5432, 6713, 7672, 9506, 10864, 13289, 13426, 15344, 19012, 21728, 26578, 26852, 30688, 38024, 53156, 53704, 76048, 93023, 106312, 107408, 152096, 186046, 212624, 214816, 372092, 425248, 651161, 744184, 1302322, 1488368, 2604644, 2976736, 5209288, 10418576, 20837152]

約数ペア:

[(1, 20837152), (2, 10418576), (4, 5209288), (7, 2976736), (8, 2604644), (14, 1488368), (16, 1302322), (28, 744184), (32, 651161), (49, 425248), (56, 372092), (97, 214816), (98, 212624), (112, 186046), (137, 152096), (194, 107408), (196, 106312), (224, 93023), (274, 76048), (388, 53704), (392, 53156), (548, 38024), (679, 30688), (776, 26852), (784, 26578), (959, 21728), (1096, 19012), (1358, 15344), (1552, 13426), (1568, 13289), (1918, 10864), (2192, 9506), (2716, 7672), (3104, 6713), (3836, 5432), (4384, 4753)]