20176818831

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{379}}^1\times {\mathrm{1289}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 31582605600

約数和(自身を除く): 11405786769

約数列:

[1, 3, 9, 13, 39, 117, 353, 379, 1059, 1137, 1289, 3177, 3411, 3867, 4589, 4927, 11601, 13767, 14781, 16757, 41301, 44343, 50271, 133787, 150813, 401361, 455017, 488531, 1204083, 1365051, 1465593, 1739231, 4095153, 4396779, 5217693, 5915221, 6350903, 15653079, 17745663, 19052709, 53236989, 57158127, 172451443, 517354329, 1552062987, 2241868759, 6725606277, 20176818831]

約数ペア:

[(1, 20176818831), (3, 6725606277), (9, 2241868759), (13, 1552062987), (39, 517354329), (117, 172451443), (353, 57158127), (379, 53236989), (1059, 19052709), (1137, 17745663), (1289, 15653079), (3177, 6350903), (3411, 5915221), (3867, 5217693), (4589, 4396779), (4927, 4095153), (11601, 1739231), (13767, 1465593), (14781, 1365051), (16757, 1204083), (41301, 488531), (44343, 455017), (50271, 401361), (133787, 150813)]