20964900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6353}}^1$

素因数の和:6381

約数の個数: 72

約数和(自身を含む): 66183264

約数和(自身を除く): 45218364

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 6353, 12706, 19059, 25412, 31765, 38118, 63530, 69883, 76236, 95295, 127060, 139766, 158825, 190590, 209649, 279532, 317650, 349415, 381180, 419298, 476475, 635300, 698830, 838596, 952950, 1048245, 1397660, 1747075, 1905900, 2096490, 3494150, 4192980, 5241225, 6988300, 10482450, 20964900]

約数ペア:

[(1, 20964900), (2, 10482450), (3, 6988300), (4, 5241225), (5, 4192980), (6, 3494150), (10, 2096490), (11, 1905900), (12, 1747075), (15, 1397660), (20, 1048245), (22, 952950), (25, 838596), (30, 698830), (33, 635300), (44, 476475), (50, 419298), (55, 381180), (60, 349415), (66, 317650), (75, 279532), (100, 209649), (110, 190590), (132, 158825), (150, 139766), (165, 127060), (220, 95295), (275, 76236), (300, 69883), (330, 63530), (550, 38118), (660, 31765), (825, 25412), (1100, 19059), (1650, 12706), (3300, 6353)]