20888911684

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{281}}^1\times {\mathrm{72313}}^1$

素因数の和:72855

約数の個数: 24

約数和(自身を含む): 36828941688

約数和(自身を除く): 15940030004

約数列:

[1, 2, 4, 257, 281, 514, 562, 1028, 1124, 72217, 72313, 144434, 144626, 288868, 289252, 18584441, 20319953, 37168882, 40639906, 74337764, 81279812, 5222227921, 10444455842, 20888911684]

約数ペア:

[(1, 20888911684), (2, 10444455842), (4, 5222227921), (257, 81279812), (281, 74337764), (514, 40639906), (562, 37168882), (1028, 20319953), (1124, 18584441), (72217, 289252), (72313, 288868), (144434, 144626)]