20795852

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 24927028

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 251, 269, 308, 502, 538, 1004, 1076, 1757, 1883, 2761, 2959, 3514, 3766, 5522, 5918, 7028, 7532, 11044, 11836, 19327, 20713, 38654, 41426, 67519, 77308, 82852, 135038, 270076, 472633, 742709, 945266, 1485418, 1890532, 2970836, 5198963, 10397926, 20795852]

約数ペア:

[(1, 20795852), (2, 10397926), (4, 5198963), (7, 2970836), (11, 1890532), (14, 1485418), (22, 945266), (28, 742709), (44, 472633), (77, 270076), (154, 135038), (251, 82852), (269, 77308), (308, 67519), (502, 41426), (538, 38654), (1004, 20713), (1076, 19327), (1757, 11836), (1883, 11044), (2761, 7532), (2959, 7028), (3514, 5918), (3766, 5522)]