20138441392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{798131}}^1$

素因数の和:798241

約数の個数: 40

約数和(自身を含む): 41566714560

約数和(自身を除く): 21428273168

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 304, 332, 664, 1328, 1577, 3154, 6308, 12616, 25232, 798131, 1596262, 3192524, 6385048, 12770096, 15164489, 30328978, 60657956, 66244873, 121315912, 132489746, 242631824, 264979492, 529958984, 1059917968, 1258652587, 2517305174, 5034610348, 10069220696, 20138441392]

約数ペア:

[(1, 20138441392), (2, 10069220696), (4, 5034610348), (8, 2517305174), (16, 1258652587), (19, 1059917968), (38, 529958984), (76, 264979492), (83, 242631824), (152, 132489746), (166, 121315912), (304, 66244873), (332, 60657956), (664, 30328978), (1328, 15164489), (1577, 12770096), (3154, 6385048), (6308, 3192524), (12616, 1596262), (25232, 798131)]