20840075776

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3131021}}^1$

素因数の和:3131052

約数の個数: 40

約数和(自身を含む): 44842497084

約数和(自身を除く): 24002421308

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 3131021, 6262042, 12524084, 25048168, 40703273, 50096336, 81406546, 100192672, 162813092, 200385344, 325626184, 400770688, 651252368, 801541376, 1302504736, 1603082752, 2605009472, 5210018944, 10420037888, 20840075776]

約数ペア:

[(1, 20840075776), (2, 10420037888), (4, 5210018944), (8, 2605009472), (13, 1603082752), (16, 1302504736), (26, 801541376), (32, 651252368), (52, 400770688), (64, 325626184), (104, 200385344), (128, 162813092), (208, 100192672), (256, 81406546), (416, 50096336), (512, 40703273), (832, 25048168), (1664, 12524084), (3328, 6262042), (6656, 3131021)]