20021728

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{4567}}^1$

素因数の和:4714

約数の個数: 24

約数和(自身を含む): 39714192

約数和(自身を除く): 19692464

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 548, 1096, 2192, 4384, 4567, 9134, 18268, 36536, 73072, 146144, 625679, 1251358, 2502716, 5005432, 10010864, 20021728]

約数ペア:

[(1, 20021728), (2, 10010864), (4, 5005432), (8, 2502716), (16, 1251358), (32, 625679), (137, 146144), (274, 73072), (548, 36536), (1096, 18268), (2192, 9134), (4384, 4567)]