20565404158

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{12553}}^1$

素因数の和:12749

約数の個数: 48

約数和(自身を含む): 34571004336

約数和(自身を除く): 14005600178

約数列:

[1, 2, 13, 26, 37, 74, 131, 169, 262, 338, 481, 962, 1703, 3406, 4847, 6253, 9694, 12506, 12553, 22139, 25106, 44278, 63011, 126022, 163189, 326378, 464461, 819143, 928922, 1638286, 1644443, 2121457, 3288886, 4242914, 6037993, 12075986, 21377759, 42755518, 60844391, 78493909, 121688782, 156987818, 277910867, 555821734, 790977083, 1581954166, 10282702079, 20565404158]

約数ペア:

[(1, 20565404158), (2, 10282702079), (13, 1581954166), (26, 790977083), (37, 555821734), (74, 277910867), (131, 156987818), (169, 121688782), (262, 78493909), (338, 60844391), (481, 42755518), (962, 21377759), (1703, 12075986), (3406, 6037993), (4847, 4242914), (6253, 3288886), (9694, 2121457), (12506, 1644443), (12553, 1638286), (22139, 928922), (25106, 819143), (44278, 464461), (63011, 326378), (126022, 163189)]