20495524

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1973}}^1$

素因数の和:2044

約数の個数: 36

約数和(自身を含む): 42531804

約数和(自身を除く): 22036280

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 1973, 2597, 3946, 5194, 7892, 10388, 13811, 27622, 55244, 96677, 104569, 193354, 209138, 386708, 418276, 731983, 1463966, 2927932, 5123881, 10247762, 20495524]

約数ペア:

[(1, 20495524), (2, 10247762), (4, 5123881), (7, 2927932), (14, 1463966), (28, 731983), (49, 418276), (53, 386708), (98, 209138), (106, 193354), (196, 104569), (212, 96677), (371, 55244), (742, 27622), (1484, 13811), (1973, 10388), (2597, 7892), (3946, 5194)]