20415966

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21673}}^1$

素因数の和:21835

約数の個数: 16

約数和(自身を含む): 41093904

約数和(自身を除く): 20677938

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 21673, 43346, 65019, 130038, 3402661, 6805322, 10207983, 20415966]

約数ペア:

[(1, 20415966), (2, 10207983), (3, 6805322), (6, 3402661), (157, 130038), (314, 65019), (471, 43346), (942, 21673)]