20672009

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 22609920

約数和(自身を除く): 1937911

約数列:

[1, 23, 31, 79, 367, 713, 1817, 2449, 8441, 11377, 28993, 56327, 261671, 666839, 898783, 20672009]

約数ペア:

[(1, 20672009), (23, 898783), (31, 666839), (79, 261671), (367, 56327), (713, 28993), (1817, 11377), (2449, 8441)]