20711968

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20879}}^1$

素因数の和:20920

約数の個数: 24

約数和(自身を含む): 42094080

約数和(自身を除く): 21382112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20879, 41758, 83516, 167032, 334064, 647249, 668128, 1294498, 2588996, 5177992, 10355984, 20711968]

約数ペア:

[(1, 20711968), (2, 10355984), (4, 5177992), (8, 2588996), (16, 1294498), (31, 668128), (32, 647249), (62, 334064), (124, 167032), (248, 83516), (496, 41758), (992, 20879)]