20213838

素因数分解:

$2^1\times 3^2\times {\mathrm{547}}^1\times {\mathrm{2053}}^1$

素因数の和:2608

約数の個数: 24

約数和(自身を含む): 43898088

約数和(自身を除く): 23684250

約数列:

[1, 2, 3, 6, 9, 18, 547, 1094, 1641, 2053, 3282, 4106, 4923, 6159, 9846, 12318, 18477, 36954, 1122991, 2245982, 3368973, 6737946, 10106919, 20213838]

約数ペア:

[(1, 20213838), (2, 10106919), (3, 6737946), (6, 3368973), (9, 2245982), (18, 1122991), (547, 36954), (1094, 18477), (1641, 12318), (2053, 9846), (3282, 6159), (4106, 4923)]