20888957349

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3500747}}^1$

素因数の和:3500786

約数の個数: 32

約数和(自身を含む): 35287539840

約数和(自身を除く): 14398582491

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5967, 3500747, 10502241, 31506723, 45509711, 59512699, 94520169, 136529133, 178538097, 409587399, 535614291, 773665087, 1228762197, 1606842873, 2320995261, 6962985783, 20888957349]

約数ペア:

[(1, 20888957349), (3, 6962985783), (9, 2320995261), (13, 1606842873), (17, 1228762197), (27, 773665087), (39, 535614291), (51, 409587399), (117, 178538097), (153, 136529133), (221, 94520169), (351, 59512699), (459, 45509711), (663, 31506723), (1989, 10502241), (5967, 3500747)]