20732516

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2237}}^1$

素因数の和:2579

約数の個数: 24

約数和(自身を含む): 41608896

約数和(自身を除く): 20876380

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2237, 2317, 4474, 4634, 8948, 9268, 15659, 31318, 62636, 740447, 1480894, 2961788, 5183129, 10366258, 20732516]

約数ペア:

[(1, 20732516), (2, 10366258), (4, 5183129), (7, 2961788), (14, 1480894), (28, 740447), (331, 62636), (662, 31318), (1324, 15659), (2237, 9268), (2317, 8948), (4474, 4634)]