20662016

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1936

約数の個数: 36

約数和(自身を含む): 42224952

約数和(自身を除く): 21562936

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 1877, 2752, 3754, 5504, 7508, 11008, 15016, 30032, 60064, 80711, 120128, 161422, 240256, 322844, 480512, 645688, 1291376, 2582752, 5165504, 10331008, 20662016]

約数ペア:

[(1, 20662016), (2, 10331008), (4, 5165504), (8, 2582752), (16, 1291376), (32, 645688), (43, 480512), (64, 322844), (86, 240256), (128, 161422), (172, 120128), (256, 80711), (344, 60064), (688, 30032), (1376, 15016), (1877, 11008), (2752, 7508), (3754, 5504)]