20782062016

素因数分解:

$2^6\times {\mathrm{1117}}^1\times {\mathrm{290707}}^1$

素因数の和:291836

約数の個数: 28

約数和(自身を含む): 41276466088

約数和(自身を除く): 20494404072

約数列:

[1, 2, 4, 8, 16, 32, 64, 1117, 2234, 4468, 8936, 17872, 35744, 71488, 290707, 581414, 1162828, 2325656, 4651312, 9302624, 18605248, 324719719, 649439438, 1298878876, 2597757752, 5195515504, 10391031008, 20782062016]

約数ペア:

[(1, 20782062016), (2, 10391031008), (4, 5195515504), (8, 2597757752), (16, 1298878876), (32, 649439438), (64, 324719719), (1117, 18605248), (2234, 9302624), (4468, 4651312), (8936, 2325656), (17872, 1162828), (35744, 581414), (71488, 290707)]