20555316

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{6563}}^1$

素因数の和:6605

約数の個数: 48

約数和(自身を含む): 55137600

約数和(自身を除く): 34582284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 6563, 13126, 19689, 26252, 39378, 59067, 78756, 118134, 177201, 190327, 236268, 354402, 380654, 570981, 708804, 761308, 1141962, 1712943, 2283924, 3425886, 5138829, 6851772, 10277658, 20555316]

約数ペア:

[(1, 20555316), (2, 10277658), (3, 6851772), (4, 5138829), (6, 3425886), (9, 2283924), (12, 1712943), (18, 1141962), (27, 761308), (29, 708804), (36, 570981), (54, 380654), (58, 354402), (87, 236268), (108, 190327), (116, 177201), (174, 118134), (261, 78756), (348, 59067), (522, 39378), (783, 26252), (1044, 19689), (1566, 13126), (3132, 6563)]