20702911312

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{661}}^1\times {\mathrm{14083}}^1$

素因数の和:14891

約数の個数: 40

約数和(自身を含む): 40464458720

約数和(自身を除く): 19761547408

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 661, 1112, 1322, 2224, 2644, 5288, 10576, 14083, 28166, 56332, 91879, 112664, 183758, 225328, 367516, 735032, 1470064, 1957537, 3915074, 7830148, 9308863, 15660296, 18617726, 31320592, 37235452, 74470904, 148941808, 1293931957, 2587863914, 5175727828, 10351455656, 20702911312]

約数ペア:

[(1, 20702911312), (2, 10351455656), (4, 5175727828), (8, 2587863914), (16, 1293931957), (139, 148941808), (278, 74470904), (556, 37235452), (661, 31320592), (1112, 18617726), (1322, 15660296), (2224, 9308863), (2644, 7830148), (5288, 3915074), (10576, 1957537), (14083, 1470064), (28166, 735032), (56332, 367516), (91879, 225328), (112664, 183758)]