20910384

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 65537472

約数和(自身を除く): 44627088

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 43, 44, 48, 66, 72, 86, 88, 99, 129, 132, 144, 172, 176, 198, 258, 264, 307, 344, 387, 396, 473, 516, 528, 614, 688, 774, 792, 921, 946, 1032, 1228, 1419, 1548, 1584, 1842, 1892, 2064, 2456, 2763, 2838, 3096, 3377, 3684, 3784, 4257, 4912, 5526, 5676, 6192, 6754, 7368, 7568, 8514, 10131, 11052, 11352, 13201, 13508, 14736, 17028, 20262, 22104, 22704, 26402, 27016, 30393, 34056, 39603, 40524, 44208, 52804, 54032, 60786, 68112, 79206, 81048, 105608, 118809, 121572, 145211, 158412, 162096, 211216, 237618, 243144, 290422, 316824, 435633, 475236, 486288, 580844, 633648, 871266, 950472, 1161688, 1306899, 1742532, 1900944, 2323376, 2613798, 3485064, 5227596, 6970128, 10455192, 20910384]

約数ペア:

[(1, 20910384), (2, 10455192), (3, 6970128), (4, 5227596), (6, 3485064), (8, 2613798), (9, 2323376), (11, 1900944), (12, 1742532), (16, 1306899), (18, 1161688), (22, 950472), (24, 871266), (33, 633648), (36, 580844), (43, 486288), (44, 475236), (48, 435633), (66, 316824), (72, 290422), (86, 243144), (88, 237618), (99, 211216), (129, 162096), (132, 158412), (144, 145211), (172, 121572), (176, 118809), (198, 105608), (258, 81048), (264, 79206), (307, 68112), (344, 60786), (387, 54032), (396, 52804), (473, 44208), (516, 40524), (528, 39603), (614, 34056), (688, 30393), (774, 27016), (792, 26402), (921, 22704), (946, 22104), (1032, 20262), (1228, 17028), (1419, 14736), (1548, 13508), (1584, 13201), (1842, 11352), (1892, 11052), (2064, 10131), (2456, 8514), (2763, 7568), (2838, 7368), (3096, 6754), (3377, 6192), (3684, 5676), (3784, 5526), (4257, 4912)]