11195420

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1439}}^1$

素因数の和:1837

約数の個数: 24

約数和(自身を含む): 23587200

約数和(自身を除く): 12391780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1439, 1556, 1945, 2878, 3890, 5756, 7195, 7780, 14390, 28780, 559771, 1119542, 2239084, 2798855, 5597710, 11195420]

約数ペア:

[(1, 11195420), (2, 5597710), (4, 2798855), (5, 2239084), (10, 1119542), (20, 559771), (389, 28780), (778, 14390), (1439, 7780), (1556, 7195), (1945, 5756), (2878, 3890)]