20662686

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:262

約数の個数: 72

約数和(自身を含む): 50417640

約数和(自身を除く): 29754954

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 53, 66, 99, 106, 121, 159, 179, 198, 242, 318, 358, 363, 477, 537, 583, 726, 954, 1074, 1089, 1166, 1611, 1749, 1969, 2178, 3222, 3498, 3938, 5247, 5907, 6413, 9487, 10494, 11814, 12826, 17721, 18974, 19239, 21659, 28461, 35442, 38478, 43318, 56922, 57717, 64977, 85383, 104357, 115434, 129954, 170766, 194931, 208714, 313071, 389862, 626142, 939213, 1147927, 1878426, 2295854, 3443781, 6887562, 10331343, 20662686]

約数ペア:

[(1, 20662686), (2, 10331343), (3, 6887562), (6, 3443781), (9, 2295854), (11, 1878426), (18, 1147927), (22, 939213), (33, 626142), (53, 389862), (66, 313071), (99, 208714), (106, 194931), (121, 170766), (159, 129954), (179, 115434), (198, 104357), (242, 85383), (318, 64977), (358, 57717), (363, 56922), (477, 43318), (537, 38478), (583, 35442), (726, 28461), (954, 21659), (1074, 19239), (1089, 18974), (1166, 17721), (1611, 12826), (1749, 11814), (1969, 10494), (2178, 9487), (3222, 6413), (3498, 5907), (3938, 5247)]