20717507584

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{719}}^1\times {\mathrm{1481}}^1$

素因数の和:2239

約数の個数: 88

約数和(自身を含む): 43684617600

約数和(自身を除く): 22967110016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 719, 1024, 1216, 1438, 1481, 2432, 2876, 2962, 4864, 5752, 5924, 9728, 11504, 11848, 13661, 19456, 23008, 23696, 27322, 28139, 46016, 47392, 54644, 56278, 92032, 94784, 109288, 112556, 184064, 189568, 218576, 225112, 368128, 379136, 437152, 450224, 736256, 758272, 874304, 900448, 1064839, 1516544, 1748608, 1800896, 2129678, 3497216, 3601792, 4259356, 6994432, 7203584, 8518712, 13988864, 14407168, 17037424, 20231941, 28814336, 34074848, 40463882, 68149696, 80927764, 136299392, 161855528, 272598784, 323711056, 545197568, 647422112, 1090395136, 1294844224, 2589688448, 5179376896, 10358753792, 20717507584]

約数ペア:

[(1, 20717507584), (2, 10358753792), (4, 5179376896), (8, 2589688448), (16, 1294844224), (19, 1090395136), (32, 647422112), (38, 545197568), (64, 323711056), (76, 272598784), (128, 161855528), (152, 136299392), (256, 80927764), (304, 68149696), (512, 40463882), (608, 34074848), (719, 28814336), (1024, 20231941), (1216, 17037424), (1438, 14407168), (1481, 13988864), (2432, 8518712), (2876, 7203584), (2962, 6994432), (4864, 4259356), (5752, 3601792), (5924, 3497216), (9728, 2129678), (11504, 1800896), (11848, 1748608), (13661, 1516544), (19456, 1064839), (23008, 900448), (23696, 874304), (27322, 758272), (28139, 736256), (46016, 450224), (47392, 437152), (54644, 379136), (56278, 368128), (92032, 225112), (94784, 218576), (109288, 189568), (112556, 184064)]