20214677

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 24845184

約数和(自身を除く): 4630507

約数列:

[1, 7, 23, 53, 103, 161, 371, 529, 721, 1219, 2369, 3703, 5459, 8533, 16583, 28037, 38213, 54487, 125557, 196259, 381409, 878899, 2887811, 20214677]

約数ペア:

[(1, 20214677), (7, 2887811), (23, 878899), (53, 381409), (103, 196259), (161, 125557), (371, 54487), (529, 38213), (721, 28037), (1219, 16583), (2369, 8533), (3703, 5459)]