20976979072

素因数分解:

$2^7\times 7^1\times {\mathrm{181}}^1\times {\mathrm{129347}}^1$

素因数の和:129549

約数の個数: 64

約数和(自身を含む): 48024325440

約数和(自身を除く): 27047346368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 181, 224, 362, 448, 724, 896, 1267, 1448, 2534, 2896, 5068, 5792, 10136, 11584, 20272, 23168, 40544, 81088, 129347, 162176, 258694, 517388, 905429, 1034776, 1810858, 2069552, 3621716, 4139104, 7243432, 8278208, 14486864, 16556416, 23411807, 28973728, 46823614, 57947456, 93647228, 115894912, 163882649, 187294456, 327765298, 374588912, 655530596, 749177824, 1311061192, 1498355648, 2622122384, 2996711296, 5244244768, 10488489536, 20976979072]

約数ペア:

[(1, 20976979072), (2, 10488489536), (4, 5244244768), (7, 2996711296), (8, 2622122384), (14, 1498355648), (16, 1311061192), (28, 749177824), (32, 655530596), (56, 374588912), (64, 327765298), (112, 187294456), (128, 163882649), (181, 115894912), (224, 93647228), (362, 57947456), (448, 46823614), (724, 28973728), (896, 23411807), (1267, 16556416), (1448, 14486864), (2534, 8278208), (2896, 7243432), (5068, 4139104), (5792, 3621716), (10136, 2069552), (11584, 1810858), (20272, 1034776), (23168, 905429), (40544, 517388), (81088, 258694), (129347, 162176)]