20744766

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 54632448

約数和(自身を除く): 33887682

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 47, 62, 63, 93, 94, 113, 126, 141, 186, 217, 226, 279, 282, 329, 339, 423, 434, 558, 651, 658, 678, 791, 846, 987, 1017, 1302, 1457, 1582, 1953, 1974, 2034, 2373, 2914, 2961, 3503, 3906, 4371, 4746, 5311, 5922, 7006, 7119, 8742, 10199, 10509, 10622, 13113, 14238, 15933, 20398, 21018, 24521, 26226, 30597, 31527, 31866, 37177, 47799, 49042, 61194, 63054, 73563, 74354, 91791, 95598, 111531, 147126, 164641, 183582, 220689, 223062, 329282, 334593, 441378, 493923, 669186, 987846, 1152487, 1481769, 2304974, 2963538, 3457461, 6914922, 10372383, 20744766]

約数ペア:

[(1, 20744766), (2, 10372383), (3, 6914922), (6, 3457461), (7, 2963538), (9, 2304974), (14, 1481769), (18, 1152487), (21, 987846), (31, 669186), (42, 493923), (47, 441378), (62, 334593), (63, 329282), (93, 223062), (94, 220689), (113, 183582), (126, 164641), (141, 147126), (186, 111531), (217, 95598), (226, 91791), (279, 74354), (282, 73563), (329, 63054), (339, 61194), (423, 49042), (434, 47799), (558, 37177), (651, 31866), (658, 31527), (678, 30597), (791, 26226), (846, 24521), (987, 21018), (1017, 20398), (1302, 15933), (1457, 14238), (1582, 13113), (1953, 10622), (1974, 10509), (2034, 10199), (2373, 8742), (2914, 7119), (2961, 7006), (3503, 5922), (3906, 5311), (4371, 4746)]