20715328

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4831}}^1$

素因数の和:4910

約数の個数: 28

約数和(自身を含む): 41729152

約数和(自身を除く): 21013824

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4831, 9662, 19324, 38648, 77296, 154592, 309184, 323677, 647354, 1294708, 2589416, 5178832, 10357664, 20715328]

約数ペア:

[(1, 20715328), (2, 10357664), (4, 5178832), (8, 2589416), (16, 1294708), (32, 647354), (64, 323677), (67, 309184), (134, 154592), (268, 77296), (536, 38648), (1072, 19324), (2144, 9662), (4288, 4831)]