20512690624

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{16868989}}^1$

素因数の和:16869020

約数の個数: 28

約数和(自身を含む): 42847234600

約数和(自身を除く): 22334543976

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 16868989, 33737978, 67475956, 134951912, 269903824, 320510791, 539807648, 641021582, 1079615296, 1282043164, 2564086328, 5128172656, 10256345312, 20512690624]

約数ペア:

[(1, 20512690624), (2, 10256345312), (4, 5128172656), (8, 2564086328), (16, 1282043164), (19, 1079615296), (32, 641021582), (38, 539807648), (64, 320510791), (76, 269903824), (152, 134951912), (304, 67475956), (608, 33737978), (1216, 16868989)]