20555496

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21961}}^1$

素因数の和:21986

約数の個数: 48

約数和(自身を含む): 59956260

約数和(自身を除く): 39400764

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21961, 43922, 65883, 87844, 131766, 175688, 197649, 263532, 285493, 395298, 527064, 570986, 790596, 856479, 1141972, 1581192, 1712958, 2283944, 2569437, 3425916, 5138874, 6851832, 10277748, 20555496]

約数ペア:

[(1, 20555496), (2, 10277748), (3, 6851832), (4, 5138874), (6, 3425916), (8, 2569437), (9, 2283944), (12, 1712958), (13, 1581192), (18, 1141972), (24, 856479), (26, 790596), (36, 570986), (39, 527064), (52, 395298), (72, 285493), (78, 263532), (104, 197649), (117, 175688), (156, 131766), (234, 87844), (312, 65883), (468, 43922), (936, 21961)]