20414240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1657}}^1$

素因数の和:1690

約数の個数: 96

約数和(自身を含む): 60165504

約数和(自身を除く): 39751264

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1657, 1760, 2464, 3080, 3314, 6160, 6628, 8285, 11599, 12320, 13256, 16570, 18227, 23198, 26512, 33140, 36454, 46396, 53024, 57995, 66280, 72908, 91135, 92792, 115990, 127589, 132560, 145816, 182270, 185584, 231980, 255178, 265120, 291632, 364540, 371168, 463960, 510356, 583264, 637945, 729080, 927920, 1020712, 1275890, 1458160, 1855840, 2041424, 2551780, 2916320, 4082848, 5103560, 10207120, 20414240]

約数ペア:

[(1, 20414240), (2, 10207120), (4, 5103560), (5, 4082848), (7, 2916320), (8, 2551780), (10, 2041424), (11, 1855840), (14, 1458160), (16, 1275890), (20, 1020712), (22, 927920), (28, 729080), (32, 637945), (35, 583264), (40, 510356), (44, 463960), (55, 371168), (56, 364540), (70, 291632), (77, 265120), (80, 255178), (88, 231980), (110, 185584), (112, 182270), (140, 145816), (154, 132560), (160, 127589), (176, 115990), (220, 92792), (224, 91135), (280, 72908), (308, 66280), (352, 57995), (385, 53024), (440, 46396), (560, 36454), (616, 33140), (770, 26512), (880, 23198), (1120, 18227), (1232, 16570), (1540, 13256), (1657, 12320), (1760, 11599), (2464, 8285), (3080, 6628), (3314, 6160)]