20688716416

素因数分解:

$2^7\times {\mathrm{11177}}^1\times {\mathrm{14461}}^1$

素因数の和:25652

約数の個数: 32

約数和(自身を含む): 41222340180

約数和(自身を除く): 20533623764

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 11177, 14461, 22354, 28922, 44708, 57844, 89416, 115688, 178832, 231376, 357664, 462752, 715328, 925504, 1430656, 1851008, 161630597, 323261194, 646522388, 1293044776, 2586089552, 5172179104, 10344358208, 20688716416]

約数ペア:

[(1, 20688716416), (2, 10344358208), (4, 5172179104), (8, 2586089552), (16, 1293044776), (32, 646522388), (64, 323261194), (128, 161630597), (11177, 1851008), (14461, 1430656), (22354, 925504), (28922, 715328), (44708, 462752), (57844, 357664), (89416, 231376), (115688, 178832)]