20412158

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:620

約数の個数: 24

約数和(自身を含む): 33480216

約数和(自身を除く): 13068058

約数列:

[1, 2, 13, 26, 131, 169, 262, 338, 461, 922, 1703, 3406, 5993, 11986, 22139, 44278, 60391, 77909, 120782, 155818, 785083, 1570166, 10206079, 20412158]

約数ペア:

[(1, 20412158), (2, 10206079), (13, 1570166), (26, 785083), (131, 155818), (169, 120782), (262, 77909), (338, 60391), (461, 44278), (922, 22139), (1703, 11986), (3406, 5993)]