20512125256

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12630619}}^1$

素因数の和:12630661

約数の個数: 32

約数和(自身を含む): 45470232000

約数和(自身を除く): 24958106744

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12630619, 25261238, 50522476, 88414333, 101044952, 176828666, 353657332, 366287951, 707314664, 732575902, 1465151804, 2564015657, 2930303608, 5128031314, 10256062628, 20512125256]

約数ペア:

[(1, 20512125256), (2, 10256062628), (4, 5128031314), (7, 2930303608), (8, 2564015657), (14, 1465151804), (28, 732575902), (29, 707314664), (56, 366287951), (58, 353657332), (116, 176828666), (203, 101044952), (232, 88414333), (406, 50522476), (812, 25261238), (1624, 12630619)]