20631376

素因数分解:

$2^4\times {\mathrm{373}}^1\times {\mathrm{3457}}^1$

素因数の和:3838

約数の個数: 20

約数和(自身を含む): 40092052

約数和(自身を除く): 19460676

約数列:

[1, 2, 4, 8, 16, 373, 746, 1492, 2984, 3457, 5968, 6914, 13828, 27656, 55312, 1289461, 2578922, 5157844, 10315688, 20631376]

約数ペア:

[(1, 20631376), (2, 10315688), (4, 5157844), (8, 2578922), (16, 1289461), (373, 55312), (746, 27656), (1492, 13828), (2984, 6914), (3457, 5968)]