15920804

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 28935480

約数和(自身を除く): 13014676

約数列:

[1, 2, 4, 37, 74, 97, 148, 194, 388, 1109, 2218, 3589, 4436, 7178, 14356, 41033, 82066, 107573, 164132, 215146, 430292, 3980201, 7960402, 15920804]

約数ペア:

[(1, 15920804), (2, 7960402), (4, 3980201), (37, 430292), (74, 215146), (97, 164132), (148, 107573), (194, 82066), (388, 41033), (1109, 14356), (2218, 7178), (3589, 4436)]