13880420

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1327}}^1$

素因数の和:1859

約数の個数: 24

約数和(自身を含む): 29226624

約数和(自身を除く): 15346204

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 1327, 2092, 2615, 2654, 5230, 5308, 6635, 10460, 13270, 26540, 694021, 1388042, 2776084, 3470105, 6940210, 13880420]

約数ペア:

[(1, 13880420), (2, 6940210), (4, 3470105), (5, 2776084), (10, 1388042), (20, 694021), (523, 26540), (1046, 13270), (1327, 10460), (2092, 6635), (2615, 5308), (2654, 5230)]