20553330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1$

素因数の和:1123

約数の個数: 64

約数和(自身を含む): 57012480

約数和(自身を除く): 36459150

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 97, 105, 194, 210, 291, 485, 582, 679, 970, 1009, 1358, 1455, 2018, 2037, 2910, 3027, 3395, 4074, 5045, 6054, 6790, 7063, 10090, 10185, 14126, 15135, 20370, 21189, 30270, 35315, 42378, 70630, 97873, 105945, 195746, 211890, 293619, 489365, 587238, 685111, 978730, 1370222, 1468095, 2055333, 2936190, 3425555, 4110666, 6851110, 10276665, 20553330]

約数ペア:

[(1, 20553330), (2, 10276665), (3, 6851110), (5, 4110666), (6, 3425555), (7, 2936190), (10, 2055333), (14, 1468095), (15, 1370222), (21, 978730), (30, 685111), (35, 587238), (42, 489365), (70, 293619), (97, 211890), (105, 195746), (194, 105945), (210, 97873), (291, 70630), (485, 42378), (582, 35315), (679, 30270), (970, 21189), (1009, 20370), (1358, 15135), (1455, 14126), (2018, 10185), (2037, 10090), (2910, 7063), (3027, 6790), (3395, 6054), (4074, 5045)]