201920862

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 489303936

約数和(自身を除く): 287383074

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 43, 66, 78, 86, 129, 143, 169, 258, 286, 338, 421, 429, 473, 507, 559, 842, 858, 946, 1014, 1118, 1263, 1419, 1677, 1859, 2526, 2838, 3354, 3718, 4631, 5473, 5577, 6149, 7267, 9262, 10946, 11154, 12298, 13893, 14534, 16419, 18103, 18447, 21801, 27786, 32838, 36206, 36894, 43602, 54309, 60203, 71149, 79937, 108618, 120406, 142298, 159874, 180609, 199133, 213447, 235339, 239811, 361218, 398266, 426894, 470678, 479622, 597399, 706017, 782639, 1194798, 1412034, 1565278, 2347917, 2588729, 3059407, 4695834, 5177458, 6118814, 7766187, 9178221, 15532374, 18356442, 33653477, 67306954, 100960431, 201920862]

約数ペア:

[(1, 201920862), (2, 100960431), (3, 67306954), (6, 33653477), (11, 18356442), (13, 15532374), (22, 9178221), (26, 7766187), (33, 6118814), (39, 5177458), (43, 4695834), (66, 3059407), (78, 2588729), (86, 2347917), (129, 1565278), (143, 1412034), (169, 1194798), (258, 782639), (286, 706017), (338, 597399), (421, 479622), (429, 470678), (473, 426894), (507, 398266), (559, 361218), (842, 239811), (858, 235339), (946, 213447), (1014, 199133), (1118, 180609), (1263, 159874), (1419, 142298), (1677, 120406), (1859, 108618), (2526, 79937), (2838, 71149), (3354, 60203), (3718, 54309), (4631, 43602), (5473, 36894), (5577, 36206), (6149, 32838), (7267, 27786), (9262, 21801), (10946, 18447), (11154, 18103), (12298, 16419), (13893, 14534)]