20091210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{669707}}^1$

素因数の和:669717

約数の個数: 16

約数和(自身を含む): 48218976

約数和(自身を除く): 28127766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 669707, 1339414, 2009121, 3348535, 4018242, 6697070, 10045605, 20091210]

約数ペア:

[(1, 20091210), (2, 10045605), (3, 6697070), (5, 4018242), (6, 3348535), (10, 2009121), (15, 1339414), (30, 669707)]