20935785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1063}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 36465408

約数和(自身を除く): 15529623

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1063, 1313, 1515, 3189, 3939, 5315, 6565, 13819, 15945, 19695, 41457, 69095, 107363, 207285, 322089, 536815, 1395719, 1610445, 4187157, 6978595, 20935785]

約数ペア:

[(1, 20935785), (3, 6978595), (5, 4187157), (13, 1610445), (15, 1395719), (39, 536815), (65, 322089), (101, 207285), (195, 107363), (303, 69095), (505, 41457), (1063, 19695), (1313, 15945), (1515, 13819), (3189, 6565), (3939, 5315)]