20218272472

素因数分解:

$2^3\times {\mathrm{1019}}^1\times {\mathrm{2480161}}^1$

素因数の和:2481186

約数の個数: 16

約数和(自身を含む): 37946478600

約数和(自身を除く): 17728206128

約数列:

[1, 2, 4, 8, 1019, 2038, 4076, 8152, 2480161, 4960322, 9920644, 19841288, 2527284059, 5054568118, 10109136236, 20218272472]

約数ペア:

[(1, 20218272472), (2, 10109136236), (4, 5054568118), (8, 2527284059), (1019, 19841288), (2038, 9920644), (4076, 4960322), (8152, 2480161)]