20164297712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{4549}}^1$

素因数の和:4882

約数の個数: 80

約数和(自身を含む): 42700912800

約数和(自身を除く): 22536615088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 211, 404, 422, 808, 844, 1313, 1616, 1688, 2626, 2743, 3376, 4549, 5252, 5486, 9098, 10504, 10972, 18196, 21008, 21311, 21944, 36392, 42622, 43888, 59137, 72784, 85244, 118274, 170488, 236548, 277043, 340976, 459449, 473096, 554086, 918898, 946192, 959839, 1108172, 1837796, 1919678, 2216344, 3675592, 3839356, 4432688, 5972837, 7351184, 7678712, 11945674, 12477907, 15357424, 23891348, 24955814, 47782696, 49911628, 95565392, 96943739, 99823256, 193887478, 199646512, 387774956, 775549912, 1260268607, 1551099824, 2520537214, 5041074428, 10082148856, 20164297712]

約数ペア:

[(1, 20164297712), (2, 10082148856), (4, 5041074428), (8, 2520537214), (13, 1551099824), (16, 1260268607), (26, 775549912), (52, 387774956), (101, 199646512), (104, 193887478), (202, 99823256), (208, 96943739), (211, 95565392), (404, 49911628), (422, 47782696), (808, 24955814), (844, 23891348), (1313, 15357424), (1616, 12477907), (1688, 11945674), (2626, 7678712), (2743, 7351184), (3376, 5972837), (4549, 4432688), (5252, 3839356), (5486, 3675592), (9098, 2216344), (10504, 1919678), (10972, 1837796), (18196, 1108172), (21008, 959839), (21311, 946192), (21944, 918898), (36392, 554086), (42622, 473096), (43888, 459449), (59137, 340976), (72784, 277043), (85244, 236548), (118274, 170488)]