20810584795

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{227}}^1\times {\mathrm{1409}}^1$

素因数の和:1685

約数の個数: 96

約数和(自身を含む): 33886563840

約数和(自身を除く): 13075979045

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 169, 227, 385, 455, 715, 845, 1001, 1135, 1183, 1409, 1589, 1859, 2497, 2951, 5005, 5915, 7045, 7945, 9295, 9863, 12485, 13013, 14755, 15499, 17479, 18317, 20657, 32461, 38363, 49315, 65065, 77495, 87395, 91585, 103285, 108493, 128219, 162305, 191815, 201487, 227227, 238121, 268541, 319843, 421993, 542465, 641095, 1007435, 1136135, 1190605, 1342705, 1410409, 1599215, 1666847, 2109965, 2238901, 2619331, 2953951, 3518273, 4157959, 7052045, 8334235, 11194505, 13096655, 14769755, 17591365, 18335317, 20789795, 24627911, 29105713, 45737549, 54053467, 91676585, 123139555, 145528565, 228687745, 270267335, 320162843, 378374269, 594588137, 1600814215, 1891871345, 2972940685, 4162116959, 20810584795]

約数ペア:

[(1, 20810584795), (5, 4162116959), (7, 2972940685), (11, 1891871345), (13, 1600814215), (35, 594588137), (55, 378374269), (65, 320162843), (77, 270267335), (91, 228687745), (143, 145528565), (169, 123139555), (227, 91676585), (385, 54053467), (455, 45737549), (715, 29105713), (845, 24627911), (1001, 20789795), (1135, 18335317), (1183, 17591365), (1409, 14769755), (1589, 13096655), (1859, 11194505), (2497, 8334235), (2951, 7052045), (5005, 4157959), (5915, 3518273), (7045, 2953951), (7945, 2619331), (9295, 2238901), (9863, 2109965), (12485, 1666847), (13013, 1599215), (14755, 1410409), (15499, 1342705), (17479, 1190605), (18317, 1136135), (20657, 1007435), (32461, 641095), (38363, 542465), (49315, 421993), (65065, 319843), (77495, 268541), (87395, 238121), (91585, 227227), (103285, 201487), (108493, 191815), (128219, 162305)]