20795820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{607}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 58426368

約数和(自身を除く): 37630548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 571, 607, 1142, 1214, 1713, 1821, 2284, 2428, 2855, 3035, 3426, 3642, 5710, 6070, 6852, 7284, 8565, 9105, 11420, 12140, 17130, 18210, 34260, 36420, 346597, 693194, 1039791, 1386388, 1732985, 2079582, 3465970, 4159164, 5198955, 6931940, 10397910, 20795820]

約数ペア:

[(1, 20795820), (2, 10397910), (3, 6931940), (4, 5198955), (5, 4159164), (6, 3465970), (10, 2079582), (12, 1732985), (15, 1386388), (20, 1039791), (30, 693194), (60, 346597), (571, 36420), (607, 34260), (1142, 18210), (1214, 17130), (1713, 12140), (1821, 11420), (2284, 9105), (2428, 8565), (2855, 7284), (3035, 6852), (3426, 6070), (3642, 5710)]