20933880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15859}}^1$

素因数の和:15884

約数の個数: 64

約数和(自身を含む): 68515200

約数和(自身を除く): 47581320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15859, 31718, 47577, 63436, 79295, 95154, 126872, 158590, 174449, 190308, 237885, 317180, 348898, 380616, 475770, 523347, 634360, 697796, 872245, 951540, 1046694, 1395592, 1744490, 1903080, 2093388, 2616735, 3488980, 4186776, 5233470, 6977960, 10466940, 20933880]

約数ペア:

[(1, 20933880), (2, 10466940), (3, 6977960), (4, 5233470), (5, 4186776), (6, 3488980), (8, 2616735), (10, 2093388), (11, 1903080), (12, 1744490), (15, 1395592), (20, 1046694), (22, 951540), (24, 872245), (30, 697796), (33, 634360), (40, 523347), (44, 475770), (55, 380616), (60, 348898), (66, 317180), (88, 237885), (110, 190308), (120, 174449), (132, 158590), (165, 126872), (220, 95154), (264, 79295), (330, 63436), (440, 47577), (660, 31718), (1320, 15859)]