20157748136

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{283}}^1\times {\mathrm{16831}}^1$

素因数の和:17166

約数の個数: 48

約数和(自身を含む): 39652488960

約数和(自身を除く): 19494740824

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 283, 529, 566, 1058, 1132, 2116, 2264, 4232, 6509, 13018, 16831, 26036, 33662, 52072, 67324, 134648, 149707, 299414, 387113, 598828, 774226, 1197656, 1548452, 3096904, 4763173, 8903599, 9526346, 17807198, 19052692, 35614396, 38105384, 71228792, 109552979, 219105958, 438211916, 876423832, 2519718517, 5039437034, 10078874068, 20157748136]

約数ペア:

[(1, 20157748136), (2, 10078874068), (4, 5039437034), (8, 2519718517), (23, 876423832), (46, 438211916), (92, 219105958), (184, 109552979), (283, 71228792), (529, 38105384), (566, 35614396), (1058, 19052692), (1132, 17807198), (2116, 9526346), (2264, 8903599), (4232, 4763173), (6509, 3096904), (13018, 1548452), (16831, 1197656), (26036, 774226), (33662, 598828), (52072, 387113), (67324, 299414), (134648, 149707)]