20096824

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 23241416

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 47, 86, 88, 94, 113, 172, 188, 226, 344, 376, 452, 473, 517, 904, 946, 1034, 1243, 1892, 2021, 2068, 2486, 3784, 4042, 4136, 4859, 4972, 5311, 8084, 9718, 9944, 10622, 16168, 19436, 21244, 22231, 38872, 42488, 44462, 53449, 58421, 88924, 106898, 116842, 177848, 213796, 228373, 233684, 427592, 456746, 467368, 913492, 1826984, 2512103, 5024206, 10048412, 20096824]

約数ペア:

[(1, 20096824), (2, 10048412), (4, 5024206), (8, 2512103), (11, 1826984), (22, 913492), (43, 467368), (44, 456746), (47, 427592), (86, 233684), (88, 228373), (94, 213796), (113, 177848), (172, 116842), (188, 106898), (226, 88924), (344, 58421), (376, 53449), (452, 44462), (473, 42488), (517, 38872), (904, 22231), (946, 21244), (1034, 19436), (1243, 16168), (1892, 10622), (2021, 9944), (2068, 9718), (2486, 8084), (3784, 5311), (4042, 4972), (4136, 4859)]