20393784

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9137}}^1$

素因数の和:9180

約数の個数: 48

約数和(自身を含む): 57021120

約数和(自身を除く): 36627336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9137, 18274, 27411, 36548, 54822, 73096, 82233, 109644, 164466, 219288, 283247, 328932, 566494, 657864, 849741, 1132988, 1699482, 2265976, 2549223, 3398964, 5098446, 6797928, 10196892, 20393784]

約数ペア:

[(1, 20393784), (2, 10196892), (3, 6797928), (4, 5098446), (6, 3398964), (8, 2549223), (9, 2265976), (12, 1699482), (18, 1132988), (24, 849741), (31, 657864), (36, 566494), (62, 328932), (72, 283247), (93, 219288), (124, 164466), (186, 109644), (248, 82233), (279, 73096), (372, 54822), (558, 36548), (744, 27411), (1116, 18274), (2232, 9137)]