20157740918

素因数分解:

$2^1\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{1171553}}^1$

素因数の和:1172791

約数の個数: 16

約数和(自身を含む): 34584274080

約数和(自身を除く): 14426533162

約数列:

[1, 2, 7, 14, 1229, 2458, 8603, 17206, 1171553, 2343106, 8200871, 16401742, 1439838637, 2879677274, 10078870459, 20157740918]

約数ペア:

[(1, 20157740918), (2, 10078870459), (7, 2879677274), (14, 1439838637), (1229, 16401742), (2458, 8200871), (8603, 2343106), (17206, 1171553)]