20612900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2677}}^1$

素因数の和:2709

約数の個数: 72

約数和(自身を含む): 55788096

約数和(自身を除く): 35175196

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, 2677, 3850, 5354, 7700, 10708, 13385, 18739, 26770, 29447, 37478, 53540, 58894, 66925, 74956, 93695, 117788, 133850, 147235, 187390, 206129, 267700, 294470, 374780, 412258, 468475, 588940, 736175, 824516, 936950, 1030645, 1472350, 1873900, 2061290, 2944700, 4122580, 5153225, 10306450, 20612900]

約数ペア:

[(1, 20612900), (2, 10306450), (4, 5153225), (5, 4122580), (7, 2944700), (10, 2061290), (11, 1873900), (14, 1472350), (20, 1030645), (22, 936950), (25, 824516), (28, 736175), (35, 588940), (44, 468475), (50, 412258), (55, 374780), (70, 294470), (77, 267700), (100, 206129), (110, 187390), (140, 147235), (154, 133850), (175, 117788), (220, 93695), (275, 74956), (308, 66925), (350, 58894), (385, 53540), (550, 37478), (700, 29447), (770, 26770), (1100, 18739), (1540, 13385), (1925, 10708), (2677, 7700), (3850, 5354)]