20930686

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24509}}^1$

素因数の和:24579

約数の個数: 16

約数和(自身を含む): 36470880

約数和(自身を除く): 15540194

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24509, 49018, 171563, 343126, 1495049, 2990098, 10465343, 20930686]

約数ペア:

[(1, 20930686), (2, 10465343), (7, 2990098), (14, 1495049), (61, 343126), (122, 171563), (427, 49018), (854, 24509)]