20214418

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 36569088

約数和(自身を除く): 16354670

約数列:

[1, 2, 7, 14, 31, 47, 62, 94, 217, 329, 434, 658, 991, 1457, 1982, 2914, 6937, 10199, 13874, 20398, 30721, 46577, 61442, 93154, 215047, 326039, 430094, 652078, 1443887, 2887774, 10107209, 20214418]

約数ペア:

[(1, 20214418), (2, 10107209), (7, 2887774), (14, 1443887), (31, 652078), (47, 430094), (62, 326039), (94, 215047), (217, 93154), (329, 61442), (434, 46577), (658, 30721), (991, 20398), (1457, 13874), (1982, 10199), (2914, 6937)]