20796236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{587}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 38673936

約数和(自身を除く): 17877700

約数列:

[1, 2, 4, 17, 34, 68, 521, 587, 1042, 1174, 2084, 2348, 8857, 9979, 17714, 19958, 35428, 39916, 305827, 611654, 1223308, 5199059, 10398118, 20796236]

約数ペア:

[(1, 20796236), (2, 10398118), (4, 5199059), (17, 1223308), (34, 611654), (68, 305827), (521, 39916), (587, 35428), (1042, 19958), (1174, 17714), (2084, 9979), (2348, 8857)]