20199333880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1119697}}^1$

素因数の和:1119760

約数の個数: 64

約数和(自身を含む): 50789501280

約数和(自身を除く): 30590167400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 18040, 1119697, 2239394, 4478788, 5598485, 8957576, 11196970, 12316667, 22393940, 24633334, 44787880, 45907577, 49266668, 61583335, 91815154, 98533336, 123166670, 183630308, 229537885, 246333340, 367260616, 459075770, 492666680, 504983347, 918151540, 1009966694, 1836303080, 2019933388, 2524916735, 4039866776, 5049833470, 10099666940, 20199333880]

約数ペア:

[(1, 20199333880), (2, 10099666940), (4, 5049833470), (5, 4039866776), (8, 2524916735), (10, 2019933388), (11, 1836303080), (20, 1009966694), (22, 918151540), (40, 504983347), (41, 492666680), (44, 459075770), (55, 367260616), (82, 246333340), (88, 229537885), (110, 183630308), (164, 123166670), (205, 98533336), (220, 91815154), (328, 61583335), (410, 49266668), (440, 45907577), (451, 44787880), (820, 24633334), (902, 22393940), (1640, 12316667), (1804, 11196970), (2255, 8957576), (3608, 5598485), (4510, 4478788), (9020, 2239394), (18040, 1119697)]