20874700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2711}}^1$

素因数の和:2743

約数の個数: 72

約数和(自身を含む): 56496384

約数和(自身を除く): 35621684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2711, 3850, 5422, 7700, 10844, 13555, 18977, 27110, 29821, 37954, 54220, 59642, 67775, 75908, 94885, 119284, 135550, 149105, 189770, 208747, 271100, 298210, 379540, 417494, 474425, 596420, 745525, 834988, 948850, 1043735, 1491050, 1897700, 2087470, 2982100, 4174940, 5218675, 10437350, 20874700]

約数ペア:

[(1, 20874700), (2, 10437350), (4, 5218675), (5, 4174940), (7, 2982100), (10, 2087470), (11, 1897700), (14, 1491050), (20, 1043735), (22, 948850), (25, 834988), (28, 745525), (35, 596420), (44, 474425), (50, 417494), (55, 379540), (70, 298210), (77, 271100), (100, 208747), (110, 189770), (140, 149105), (154, 135550), (175, 119284), (220, 94885), (275, 75908), (308, 67775), (350, 59642), (385, 54220), (550, 37954), (700, 29821), (770, 27110), (1100, 18977), (1540, 13555), (1925, 10844), (2711, 7700), (3850, 5422)]