20131620639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{343901}}^1$

素因数の和:344015

約数の個数: 32

約数和(自身を含む): 30813619200

約数和(自身を除く): 10681998561

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 741, 1027, 1501, 3081, 4503, 19513, 58539, 343901, 1031703, 4470713, 6534119, 13412139, 19602357, 27168179, 81504537, 84943547, 254830641, 353186327, 516195401, 1059558981, 1548586203, 6710540213, 20131620639]

約数ペア:

[(1, 20131620639), (3, 6710540213), (13, 1548586203), (19, 1059558981), (39, 516195401), (57, 353186327), (79, 254830641), (237, 84943547), (247, 81504537), (741, 27168179), (1027, 19602357), (1501, 13412139), (3081, 6534119), (4503, 4470713), (19513, 1031703), (58539, 343901)]