20616565568

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{70381}}^1$

素因数の和:70615

約数の個数: 56

約数和(自身を含む): 42904867200

約数和(自身を除く): 22288301632

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 184, 199, 368, 398, 736, 796, 1472, 1592, 3184, 4577, 6368, 9154, 12736, 18308, 36616, 70381, 73232, 140762, 146464, 281524, 292928, 563048, 1126096, 1618763, 2252192, 3237526, 4504384, 6475052, 12950104, 14005819, 25900208, 28011638, 51800416, 56023276, 103600832, 112046552, 224093104, 322133837, 448186208, 644267674, 896372416, 1288535348, 2577070696, 5154141392, 10308282784, 20616565568]

約数ペア:

[(1, 20616565568), (2, 10308282784), (4, 5154141392), (8, 2577070696), (16, 1288535348), (23, 896372416), (32, 644267674), (46, 448186208), (64, 322133837), (92, 224093104), (184, 112046552), (199, 103600832), (368, 56023276), (398, 51800416), (736, 28011638), (796, 25900208), (1472, 14005819), (1592, 12950104), (3184, 6475052), (4577, 4504384), (6368, 3237526), (9154, 2252192), (12736, 1618763), (18308, 1126096), (36616, 563048), (70381, 292928), (73232, 281524), (140762, 146464)]