20194188975

素因数分解:

$3^4\times 5^2\times {\mathrm{9972439}}^1$

素因数の和:9972461

約数の個数: 30

約数和(自身を含む): 37406622440

約数和(自身を除く): 17212433465

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9972439, 29917317, 49862195, 89751951, 149586585, 249310975, 269255853, 448759755, 747932925, 807767559, 1346279265, 2243798775, 4038837795, 6731396325, 20194188975]

約数ペア:

[(1, 20194188975), (3, 6731396325), (5, 4038837795), (9, 2243798775), (15, 1346279265), (25, 807767559), (27, 747932925), (45, 448759755), (75, 269255853), (81, 249310975), (135, 149586585), (225, 89751951), (405, 49862195), (675, 29917317), (2025, 9972439)]