20397300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{883}}^1$

素因数の和:918

約数の個数: 144

約数和(自身を含む): 73661952

約数和(自身を除く): 53264652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 132, 140, 150, 154, 165, 175, 210, 220, 231, 275, 300, 308, 330, 350, 385, 420, 462, 525, 550, 660, 700, 770, 825, 883, 924, 1050, 1100, 1155, 1540, 1650, 1766, 1925, 2100, 2310, 2649, 3300, 3532, 3850, 4415, 4620, 5298, 5775, 6181, 7700, 8830, 9713, 10596, 11550, 12362, 13245, 17660, 18543, 19426, 22075, 23100, 24724, 26490, 29139, 30905, 37086, 38852, 44150, 48565, 52980, 58278, 61810, 66225, 67991, 74172, 88300, 92715, 97130, 116556, 123620, 132450, 135982, 145695, 154525, 185430, 194260, 203973, 242825, 264900, 271964, 291390, 309050, 339955, 370860, 407946, 463575, 485650, 582780, 618100, 679910, 728475, 815892, 927150, 971300, 1019865, 1359820, 1456950, 1699775, 1854300, 2039730, 2913900, 3399550, 4079460, 5099325, 6799100, 10198650, 20397300]

約数ペア:

[(1, 20397300), (2, 10198650), (3, 6799100), (4, 5099325), (5, 4079460), (6, 3399550), (7, 2913900), (10, 2039730), (11, 1854300), (12, 1699775), (14, 1456950), (15, 1359820), (20, 1019865), (21, 971300), (22, 927150), (25, 815892), (28, 728475), (30, 679910), (33, 618100), (35, 582780), (42, 485650), (44, 463575), (50, 407946), (55, 370860), (60, 339955), (66, 309050), (70, 291390), (75, 271964), (77, 264900), (84, 242825), (100, 203973), (105, 194260), (110, 185430), (132, 154525), (140, 145695), (150, 135982), (154, 132450), (165, 123620), (175, 116556), (210, 97130), (220, 92715), (231, 88300), (275, 74172), (300, 67991), (308, 66225), (330, 61810), (350, 58278), (385, 52980), (420, 48565), (462, 44150), (525, 38852), (550, 37086), (660, 30905), (700, 29139), (770, 26490), (825, 24724), (883, 23100), (924, 22075), (1050, 19426), (1100, 18543), (1155, 17660), (1540, 13245), (1650, 12362), (1766, 11550), (1925, 10596), (2100, 9713), (2310, 8830), (2649, 7700), (3300, 6181), (3532, 5775), (3850, 5298), (4415, 4620)]