20126909

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 4756291

約数列:

[1, 11, 19, 23, 53, 79, 209, 253, 437, 583, 869, 1007, 1219, 1501, 1817, 4187, 4807, 11077, 13409, 16511, 19987, 23161, 34523, 46057, 79553, 96301, 254771, 379753, 875083, 1059311, 1829719, 20126909]

約数ペア:

[(1, 20126909), (11, 1829719), (19, 1059311), (23, 875083), (53, 379753), (79, 254771), (209, 96301), (253, 79553), (437, 46057), (583, 34523), (869, 23161), (1007, 19987), (1219, 16511), (1501, 13409), (1817, 11077), (4187, 4807)]