20201477960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{44587}}^1$

素因数の和:44886

約数の個数: 64

約数和(自身を含む): 46614078720

約数和(自身を除く): 26412600760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 241, 376, 470, 482, 940, 964, 1205, 1880, 1928, 2410, 4820, 9640, 11327, 22654, 44587, 45308, 56635, 89174, 90616, 113270, 178348, 222935, 226540, 356696, 445870, 453080, 891740, 1783480, 2095589, 4191178, 8382356, 10477945, 10745467, 16764712, 20955890, 21490934, 41911780, 42981868, 53727335, 83823560, 85963736, 107454670, 214909340, 429818680, 505036949, 1010073898, 2020147796, 2525184745, 4040295592, 5050369490, 10100738980, 20201477960]

約数ペア:

[(1, 20201477960), (2, 10100738980), (4, 5050369490), (5, 4040295592), (8, 2525184745), (10, 2020147796), (20, 1010073898), (40, 505036949), (47, 429818680), (94, 214909340), (188, 107454670), (235, 85963736), (241, 83823560), (376, 53727335), (470, 42981868), (482, 41911780), (940, 21490934), (964, 20955890), (1205, 16764712), (1880, 10745467), (1928, 10477945), (2410, 8382356), (4820, 4191178), (9640, 2095589), (11327, 1783480), (22654, 891740), (44587, 453080), (45308, 445870), (56635, 356696), (89174, 226540), (90616, 222935), (113270, 178348)]