20288756

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 36960000

約数和(自身を除く): 16671244

約数列:

[1, 2, 4, 31, 62, 124, 131, 262, 524, 1249, 2498, 4061, 4996, 8122, 16244, 38719, 77438, 154876, 163619, 327238, 654476, 5072189, 10144378, 20288756]

約数ペア:

[(1, 20288756), (2, 10144378), (4, 5072189), (31, 654476), (62, 327238), (124, 163619), (131, 154876), (262, 77438), (524, 38719), (1249, 16244), (2498, 8122), (4061, 4996)]