20745029998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{201961}}^1$

素因数の和:202033

約数の個数: 64

約数和(自身を含む): 41878840320

約数和(自身を除く): 21133810322

約数列:

[1, 2, 7, 11, 14, 22, 23, 29, 46, 58, 77, 154, 161, 203, 253, 319, 322, 406, 506, 638, 667, 1334, 1771, 2233, 3542, 4466, 4669, 7337, 9338, 14674, 51359, 102718, 201961, 403922, 1413727, 2221571, 2827454, 4443142, 4645103, 5856869, 9290206, 11713738, 15550997, 31101994, 32515721, 40998083, 51096133, 64425559, 65031442, 81996166, 102192266, 128851118, 134707987, 269415974, 357672931, 450978913, 715345862, 901957826, 942955909, 1481787857, 1885911818, 2963575714, 10372514999, 20745029998]

約数ペア:

[(1, 20745029998), (2, 10372514999), (7, 2963575714), (11, 1885911818), (14, 1481787857), (22, 942955909), (23, 901957826), (29, 715345862), (46, 450978913), (58, 357672931), (77, 269415974), (154, 134707987), (161, 128851118), (203, 102192266), (253, 81996166), (319, 65031442), (322, 64425559), (406, 51096133), (506, 40998083), (638, 32515721), (667, 31101994), (1334, 15550997), (1771, 11713738), (2233, 9290206), (3542, 5856869), (4466, 4645103), (4669, 4443142), (7337, 2827454), (9338, 2221571), (14674, 1413727), (51359, 403922), (102718, 201961)]