20172991828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6151}}^1\times {\mathrm{3923}}^1$

素因数の和:10108

約数の個数: 48

約数和(自身を含む): 40555952640

約数和(自身を除く): 20382960812

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 3923, 6151, 7846, 12302, 15692, 24604, 43153, 67661, 74537, 86306, 116869, 135322, 149074, 172612, 233738, 270644, 298148, 467476, 819907, 1285559, 1639814, 2571118, 3279628, 5142236, 24130373, 48260746, 96521492, 265434103, 458477087, 530868206, 916954174, 1061736412, 1833908348, 5043247957, 10086495914, 20172991828]

約数ペア:

[(1, 20172991828), (2, 10086495914), (4, 5043247957), (11, 1833908348), (19, 1061736412), (22, 916954174), (38, 530868206), (44, 458477087), (76, 265434103), (209, 96521492), (418, 48260746), (836, 24130373), (3923, 5142236), (6151, 3279628), (7846, 2571118), (12302, 1639814), (15692, 1285559), (24604, 819907), (43153, 467476), (67661, 298148), (74537, 270644), (86306, 233738), (116869, 172612), (135322, 149074)]