20951175

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5701}}^1$

素因数の和:5728

約数の個数: 36

約数和(自身を含む): 40301736

約数和(自身を除く): 19350561

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5701, 17103, 28505, 39907, 85515, 119721, 142525, 199535, 279349, 427575, 598605, 838047, 997675, 1396745, 2993025, 4190235, 6983725, 20951175]

約数ペア:

[(1, 20951175), (3, 6983725), (5, 4190235), (7, 2993025), (15, 1396745), (21, 997675), (25, 838047), (35, 598605), (49, 427575), (75, 279349), (105, 199535), (147, 142525), (175, 119721), (245, 85515), (525, 39907), (735, 28505), (1225, 17103), (3675, 5701)]