20183163

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 37384704

約数和(自身を除く): 17201541

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 47, 77, 91, 121, 141, 143, 169, 231, 273, 329, 363, 429, 507, 517, 611, 847, 987, 1001, 1183, 1551, 1573, 1833, 1859, 2541, 3003, 3549, 3619, 4277, 4719, 5577, 5687, 6721, 7943, 10857, 11011, 12831, 13013, 17061, 20163, 20449, 23829, 33033, 39039, 39809, 47047, 55601, 61347, 73931, 87373, 119427, 141141, 143143, 166803, 221793, 262119, 429429, 517517, 611611, 961103, 1552551, 1834833, 2883309, 6727721, 20183163]

約数ペア:

[(1, 20183163), (3, 6727721), (7, 2883309), (11, 1834833), (13, 1552551), (21, 961103), (33, 611611), (39, 517517), (47, 429429), (77, 262119), (91, 221793), (121, 166803), (141, 143143), (143, 141141), (169, 119427), (231, 87373), (273, 73931), (329, 61347), (363, 55601), (429, 47047), (507, 39809), (517, 39039), (611, 33033), (847, 23829), (987, 20449), (1001, 20163), (1183, 17061), (1551, 13013), (1573, 12831), (1833, 11011), (1859, 10857), (2541, 7943), (3003, 6721), (3549, 5687), (3619, 5577), (4277, 4719)]