20504460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{607}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 57609216

約数和(自身を除く): 37104756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 563, 607, 1126, 1214, 1689, 1821, 2252, 2428, 2815, 3035, 3378, 3642, 5630, 6070, 6756, 7284, 8445, 9105, 11260, 12140, 16890, 18210, 33780, 36420, 341741, 683482, 1025223, 1366964, 1708705, 2050446, 3417410, 4100892, 5126115, 6834820, 10252230, 20504460]

約数ペア:

[(1, 20504460), (2, 10252230), (3, 6834820), (4, 5126115), (5, 4100892), (6, 3417410), (10, 2050446), (12, 1708705), (15, 1366964), (20, 1025223), (30, 683482), (60, 341741), (563, 36420), (607, 33780), (1126, 18210), (1214, 16890), (1689, 12140), (1821, 11260), (2252, 9105), (2428, 8445), (2815, 7284), (3035, 6756), (3378, 6070), (3642, 5630)]