20740804510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{6733}}^1$

素因数の和:7313

約数の個数: 64

約数和(自身を含む): 40649656320

約数和(自身を除く): 19908851810

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 523, 589, 1046, 1178, 2615, 2945, 5230, 5890, 6733, 9937, 13466, 16213, 19874, 32426, 33665, 49685, 67330, 81065, 99370, 127927, 162130, 208723, 255854, 308047, 417446, 616094, 639635, 1043615, 1279270, 1540235, 2087230, 3080470, 3521359, 3965737, 7042718, 7931474, 17606795, 19828685, 35213590, 39657370, 66905821, 109162129, 133811642, 218324258, 334529105, 545810645, 669058210, 1091621290, 2074080451, 4148160902, 10370402255, 20740804510]

約数ペア:

[(1, 20740804510), (2, 10370402255), (5, 4148160902), (10, 2074080451), (19, 1091621290), (31, 669058210), (38, 545810645), (62, 334529105), (95, 218324258), (155, 133811642), (190, 109162129), (310, 66905821), (523, 39657370), (589, 35213590), (1046, 19828685), (1178, 17606795), (2615, 7931474), (2945, 7042718), (5230, 3965737), (5890, 3521359), (6733, 3080470), (9937, 2087230), (13466, 1540235), (16213, 1279270), (19874, 1043615), (32426, 639635), (33665, 616094), (49685, 417446), (67330, 308047), (81065, 255854), (99370, 208723), (127927, 162130)]