20971496

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28807}}^1$

素因数の和:28833

約数の個数: 32

約数和(自身を含む): 48397440

約数和(自身を除く): 27425944

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28807, 57614, 115228, 201649, 230456, 374491, 403298, 748982, 806596, 1497964, 1613192, 2621437, 2995928, 5242874, 10485748, 20971496]

約数ペア:

[(1, 20971496), (2, 10485748), (4, 5242874), (7, 2995928), (8, 2621437), (13, 1613192), (14, 1497964), (26, 806596), (28, 748982), (52, 403298), (56, 374491), (91, 230456), (104, 201649), (182, 115228), (364, 57614), (728, 28807)]