20546964

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19681}}^1$

素因数の和:19720

約数の個数: 36

約数和(自身を含む): 53731860

約数和(自身を除く): 33184896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19681, 39362, 59043, 78724, 118086, 177129, 236172, 354258, 570749, 708516, 1141498, 1712247, 2282996, 3424494, 5136741, 6848988, 10273482, 20546964]

約数ペア:

[(1, 20546964), (2, 10273482), (3, 6848988), (4, 5136741), (6, 3424494), (9, 2282996), (12, 1712247), (18, 1141498), (29, 708516), (36, 570749), (58, 354258), (87, 236172), (116, 177129), (174, 118086), (261, 78724), (348, 59043), (522, 39362), (1044, 19681)]