20338816

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8363}}^1$

素因数の和:8396

約数の個数: 32

約数和(自身を含む): 42656400

約数和(自身を除く): 22317584

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8363, 16726, 33452, 66904, 133808, 158897, 267616, 317794, 535232, 635588, 1070464, 1271176, 2542352, 5084704, 10169408, 20338816]

約数ペア:

[(1, 20338816), (2, 10169408), (4, 5084704), (8, 2542352), (16, 1271176), (19, 1070464), (32, 635588), (38, 535232), (64, 317794), (76, 267616), (128, 158897), (152, 133808), (304, 66904), (608, 33452), (1216, 16726), (2432, 8363)]