20686752

素因数分解:

$2^5\times 3^4\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:392

約数の個数: 120

約数和(自身を含む): 63667296

約数和(自身を除く): 42980544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 276, 288, 324, 347, 368, 414, 432, 552, 621, 648, 694, 736, 828, 864, 1041, 1104, 1242, 1296, 1388, 1656, 1863, 2082, 2208, 2484, 2592, 2776, 3123, 3312, 3726, 4164, 4968, 5552, 6246, 6624, 7452, 7981, 8328, 9369, 9936, 11104, 12492, 14904, 15962, 16656, 18738, 19872, 23943, 24984, 28107, 29808, 31924, 33312, 37476, 47886, 49968, 56214, 59616, 63848, 71829, 74952, 95772, 99936, 112428, 127696, 143658, 149904, 191544, 215487, 224856, 255392, 287316, 299808, 383088, 430974, 449712, 574632, 646461, 766176, 861948, 899424, 1149264, 1292922, 1723896, 2298528, 2585844, 3447792, 5171688, 6895584, 10343376, 20686752]

約数ペア:

[(1, 20686752), (2, 10343376), (3, 6895584), (4, 5171688), (6, 3447792), (8, 2585844), (9, 2298528), (12, 1723896), (16, 1292922), (18, 1149264), (23, 899424), (24, 861948), (27, 766176), (32, 646461), (36, 574632), (46, 449712), (48, 430974), (54, 383088), (69, 299808), (72, 287316), (81, 255392), (92, 224856), (96, 215487), (108, 191544), (138, 149904), (144, 143658), (162, 127696), (184, 112428), (207, 99936), (216, 95772), (276, 74952), (288, 71829), (324, 63848), (347, 59616), (368, 56214), (414, 49968), (432, 47886), (552, 37476), (621, 33312), (648, 31924), (694, 29808), (736, 28107), (828, 24984), (864, 23943), (1041, 19872), (1104, 18738), (1242, 16656), (1296, 15962), (1388, 14904), (1656, 12492), (1863, 11104), (2082, 9936), (2208, 9369), (2484, 8328), (2592, 7981), (2776, 7452), (3123, 6624), (3312, 6246), (3726, 5552), (4164, 4968)]