206937380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{795913}}^1$

素因数の和:795935

約数の個数: 24

約数和(自身を含む): 467997432

約数和(自身を除く): 261060052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 795913, 1591826, 3183652, 3979565, 7959130, 10346869, 15918260, 20693738, 41387476, 51734345, 103468690, 206937380]

約数ペア:

[(1, 206937380), (2, 103468690), (4, 51734345), (5, 41387476), (10, 20693738), (13, 15918260), (20, 10346869), (26, 7959130), (52, 3979565), (65, 3183652), (130, 1591826), (260, 795913)]