20879530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{593}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 43110144

約数和(自身を除く): 22230614

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 503, 593, 1006, 1186, 2515, 2965, 3521, 4151, 5030, 5930, 7042, 8302, 17605, 20755, 35210, 41510, 298279, 596558, 1491395, 2087953, 2982790, 4175906, 10439765, 20879530]

約数ペア:

[(1, 20879530), (2, 10439765), (5, 4175906), (7, 2982790), (10, 2087953), (14, 1491395), (35, 596558), (70, 298279), (503, 41510), (593, 35210), (1006, 20755), (1186, 17605), (2515, 8302), (2965, 7042), (3521, 5930), (4151, 5030)]