20267583

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 32243712

約数和(自身を除く): 11976129

約数列:

[1, 3, 7, 21, 31, 93, 163, 191, 217, 489, 573, 651, 1141, 1337, 3423, 4011, 5053, 5921, 15159, 17763, 31133, 35371, 41447, 93399, 106113, 124341, 217931, 653793, 965123, 2895369, 6755861, 20267583]

約数ペア:

[(1, 20267583), (3, 6755861), (7, 2895369), (21, 965123), (31, 653793), (93, 217931), (163, 124341), (191, 106113), (217, 93399), (489, 41447), (573, 35371), (651, 31133), (1141, 17763), (1337, 15159), (3423, 5921), (4011, 5053)]