20145122516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1\times {\mathrm{4201}}^1$

素因数の和:5384

約数の個数: 48

約数和(自身を含む): 37612270080

約数和(自身を除く): 17467147564

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 1109, 2162, 2218, 4201, 4324, 4436, 8402, 16804, 25507, 51014, 52123, 96623, 102028, 104246, 193246, 197447, 208492, 386492, 394894, 789788, 1198829, 2397658, 4541281, 4658909, 4795316, 9082562, 9317818, 18165124, 18635636, 107154907, 214309814, 218968723, 428619628, 437937446, 875874892, 5036280629, 10072561258, 20145122516]

約数ペア:

[(1, 20145122516), (2, 10072561258), (4, 5036280629), (23, 875874892), (46, 437937446), (47, 428619628), (92, 218968723), (94, 214309814), (188, 107154907), (1081, 18635636), (1109, 18165124), (2162, 9317818), (2218, 9082562), (4201, 4795316), (4324, 4658909), (4436, 4541281), (8402, 2397658), (16804, 1198829), (25507, 789788), (51014, 394894), (52123, 386492), (96623, 208492), (102028, 197447), (104246, 193246)]