20963979612

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{45541}}^1$

素因数の和:46243

約数の個数: 72

約数和(自身を含む): 55865460560

約数和(自身を除く): 34901480948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 673, 684, 1346, 2019, 2692, 4038, 6057, 8076, 12114, 12787, 24228, 25574, 38361, 45541, 51148, 76722, 91082, 115083, 136623, 153444, 182164, 230166, 273246, 409869, 460332, 546492, 819738, 865279, 1639476, 1730558, 2595837, 3461116, 5191674, 7787511, 10383348, 15575022, 30649093, 31150044, 61298186, 91947279, 122596372, 183894558, 275841837, 367789116, 551683674, 582332767, 1103367348, 1164665534, 1746998301, 2329331068, 3493996602, 5240994903, 6987993204, 10481989806, 20963979612]

約数ペア:

[(1, 20963979612), (2, 10481989806), (3, 6987993204), (4, 5240994903), (6, 3493996602), (9, 2329331068), (12, 1746998301), (18, 1164665534), (19, 1103367348), (36, 582332767), (38, 551683674), (57, 367789116), (76, 275841837), (114, 183894558), (171, 122596372), (228, 91947279), (342, 61298186), (673, 31150044), (684, 30649093), (1346, 15575022), (2019, 10383348), (2692, 7787511), (4038, 5191674), (6057, 3461116), (8076, 2595837), (12114, 1730558), (12787, 1639476), (24228, 865279), (25574, 819738), (38361, 546492), (45541, 460332), (51148, 409869), (76722, 273246), (91082, 230166), (115083, 182164), (136623, 153444)]