20637572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{709}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 38169600

約数和(自身を除く): 17532028

約数列:

[1, 2, 4, 19, 38, 76, 383, 709, 766, 1418, 1532, 2836, 7277, 13471, 14554, 26942, 29108, 53884, 271547, 543094, 1086188, 5159393, 10318786, 20637572]

約数ペア:

[(1, 20637572), (2, 10318786), (4, 5159393), (19, 1086188), (38, 543094), (76, 271547), (383, 53884), (709, 29108), (766, 26942), (1418, 14554), (1532, 13471), (2836, 7277)]