20656234

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1317

約数の個数: 16

約数和(自身を含む): 31701600

約数和(自身を除く): 11045366

約数列:

[1, 2, 67, 134, 139, 278, 1109, 2218, 9313, 18626, 74303, 148606, 154151, 308302, 10328117, 20656234]

約数ペア:

[(1, 20656234), (2, 10328117), (67, 308302), (134, 154151), (139, 148606), (278, 74303), (1109, 18626), (2218, 9313)]