20153439488

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{865103}}^1$

素因数の和:865139

約数の個数: 72

約数和(自身を含む): 49511632128

約数和(自身を除く): 29358192640

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 11648, 23296, 865103, 1730206, 3460412, 6055721, 6920824, 11246339, 12111442, 13841648, 22492678, 24222884, 27683296, 44985356, 48445768, 55366592, 78724373, 89970712, 96891536, 110733184, 157448746, 179941424, 193783072, 221466368, 314897492, 359882848, 387566144, 629794984, 719765696, 775132288, 1259589968, 1439531392, 1550264576, 2519179936, 2879062784, 5038359872, 10076719744, 20153439488]

約数ペア:

[(1, 20153439488), (2, 10076719744), (4, 5038359872), (7, 2879062784), (8, 2519179936), (13, 1550264576), (14, 1439531392), (16, 1259589968), (26, 775132288), (28, 719765696), (32, 629794984), (52, 387566144), (56, 359882848), (64, 314897492), (91, 221466368), (104, 193783072), (112, 179941424), (128, 157448746), (182, 110733184), (208, 96891536), (224, 89970712), (256, 78724373), (364, 55366592), (416, 48445768), (448, 44985356), (728, 27683296), (832, 24222884), (896, 22492678), (1456, 13841648), (1664, 12111442), (1792, 11246339), (2912, 6920824), (3328, 6055721), (5824, 3460412), (11648, 1730206), (23296, 865103)]