20939361728

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{1093}}^1\times {\mathrm{2357}}^1$

素因数の和:3589

約数の個数: 56

約数和(自身を含む): 41934822912

約数和(自身を除く): 20995461184

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 1093, 2032, 2186, 2357, 4064, 4372, 4714, 8128, 8744, 9428, 17488, 18856, 34976, 37712, 69952, 75424, 138811, 150848, 277622, 299339, 555244, 598678, 1110488, 1197356, 2220976, 2394712, 2576201, 4441952, 4789424, 5152402, 8883904, 9578848, 10304804, 19157696, 20609608, 41219216, 82438432, 164876864, 327177527, 654355054, 1308710108, 2617420216, 5234840432, 10469680864, 20939361728]

約数ペア:

[(1, 20939361728), (2, 10469680864), (4, 5234840432), (8, 2617420216), (16, 1308710108), (32, 654355054), (64, 327177527), (127, 164876864), (254, 82438432), (508, 41219216), (1016, 20609608), (1093, 19157696), (2032, 10304804), (2186, 9578848), (2357, 8883904), (4064, 5152402), (4372, 4789424), (4714, 4441952), (8128, 2576201), (8744, 2394712), (9428, 2220976), (17488, 1197356), (18856, 1110488), (34976, 598678), (37712, 555244), (69952, 299339), (75424, 277622), (138811, 150848)]