20142705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 18177423

約数列:

[1, 3, 5, 11, 15, 17, 33, 43, 51, 55, 85, 129, 165, 167, 187, 215, 255, 473, 501, 561, 645, 731, 835, 935, 1419, 1837, 2193, 2365, 2505, 2805, 2839, 3655, 5511, 7095, 7181, 8041, 8517, 9185, 10965, 14195, 21543, 24123, 27555, 31229, 35905, 40205, 42585, 78991, 93687, 107715, 120615, 122077, 156145, 236973, 366231, 394955, 468435, 610385, 1184865, 1342847, 1831155, 4028541, 6714235, 20142705]

約数ペア:

[(1, 20142705), (3, 6714235), (5, 4028541), (11, 1831155), (15, 1342847), (17, 1184865), (33, 610385), (43, 468435), (51, 394955), (55, 366231), (85, 236973), (129, 156145), (165, 122077), (167, 120615), (187, 107715), (215, 93687), (255, 78991), (473, 42585), (501, 40205), (561, 35905), (645, 31229), (731, 27555), (835, 24123), (935, 21543), (1419, 14195), (1837, 10965), (2193, 9185), (2365, 8517), (2505, 8041), (2805, 7181), (2839, 7095), (3655, 5511)]