20215093808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{27277}}^1$

素因数の和:27814

約数の個数: 80

約数和(自身を含む): 48301700160

約数和(自身を除く): 28086606352

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 509, 728, 1018, 1456, 2036, 3563, 4072, 6617, 7126, 8144, 13234, 14252, 26468, 27277, 28504, 46319, 52936, 54554, 57008, 92638, 105872, 109108, 185276, 190939, 218216, 354601, 370552, 381878, 436432, 709202, 741104, 763756, 1418404, 1527512, 2482207, 2836808, 3055024, 4964414, 5673616, 9928828, 13883993, 19857656, 27767986, 39715312, 55535972, 97187951, 111071944, 180491909, 194375902, 222143888, 360983818, 388751804, 721967636, 777503608, 1263443363, 1443935272, 1555007216, 2526886726, 2887870544, 5053773452, 10107546904, 20215093808]

約数ペア:

[(1, 20215093808), (2, 10107546904), (4, 5053773452), (7, 2887870544), (8, 2526886726), (13, 1555007216), (14, 1443935272), (16, 1263443363), (26, 777503608), (28, 721967636), (52, 388751804), (56, 360983818), (91, 222143888), (104, 194375902), (112, 180491909), (182, 111071944), (208, 97187951), (364, 55535972), (509, 39715312), (728, 27767986), (1018, 19857656), (1456, 13883993), (2036, 9928828), (3563, 5673616), (4072, 4964414), (6617, 3055024), (7126, 2836808), (8144, 2482207), (13234, 1527512), (14252, 1418404), (26468, 763756), (27277, 741104), (28504, 709202), (46319, 436432), (52936, 381878), (54554, 370552), (57008, 354601), (92638, 218216), (105872, 190939), (109108, 185276)]