20174781104

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{821}}^1\times {\mathrm{19441}}^1$

素因数の和:20349

約数の個数: 40

約数和(自身を含む): 39633683520

約数和(自身を除く): 19458902416

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 821, 1264, 1642, 3284, 6568, 13136, 19441, 38882, 64859, 77764, 129718, 155528, 259436, 311056, 518872, 1037744, 1535839, 3071678, 6143356, 12286712, 15961061, 24573424, 31922122, 63844244, 127688488, 255376976, 1260923819, 2521847638, 5043695276, 10087390552, 20174781104]

約数ペア:

[(1, 20174781104), (2, 10087390552), (4, 5043695276), (8, 2521847638), (16, 1260923819), (79, 255376976), (158, 127688488), (316, 63844244), (632, 31922122), (821, 24573424), (1264, 15961061), (1642, 12286712), (3284, 6143356), (6568, 3071678), (13136, 1535839), (19441, 1037744), (38882, 518872), (64859, 311056), (77764, 259436), (129718, 155528)]