20656890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{76507}}^1$

素因数の和:76523

約数の個数: 32

約数和(自身を含む): 55085760

約数和(自身を除く): 34428870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 76507, 153014, 229521, 382535, 459042, 688563, 765070, 1147605, 1377126, 2065689, 2295210, 3442815, 4131378, 6885630, 10328445, 20656890]

約数ペア:

[(1, 20656890), (2, 10328445), (3, 6885630), (5, 4131378), (6, 3442815), (9, 2295210), (10, 2065689), (15, 1377126), (18, 1147605), (27, 765070), (30, 688563), (45, 459042), (54, 382535), (90, 229521), (135, 153014), (270, 76507)]