15696220

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1213}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 33040224

約数和(自身を除く): 17344004

約数列:

[1, 2, 4, 5, 10, 20, 647, 1213, 1294, 2426, 2588, 3235, 4852, 6065, 6470, 12130, 12940, 24260, 784811, 1569622, 3139244, 3924055, 7848110, 15696220]

約数ペア:

[(1, 15696220), (2, 7848110), (4, 3924055), (5, 3139244), (10, 1569622), (20, 784811), (647, 24260), (1213, 12940), (1294, 12130), (2426, 6470), (2588, 6065), (3235, 4852)]