20537308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9931}}^1$

素因数の和:9993

約数の個数: 24

約数和(自身を含む): 40045824

約数和(自身を除く): 19508516

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9931, 19862, 39724, 109241, 218482, 436964, 466757, 933514, 1867028, 5134327, 10268654, 20537308]

約数ペア:

[(1, 20537308), (2, 10268654), (4, 5134327), (11, 1867028), (22, 933514), (44, 466757), (47, 436964), (94, 218482), (188, 109241), (517, 39724), (1034, 19862), (2068, 9931)]