20690544

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:507

約数の個数: 120

約数和(自身を含む): 65591040

約数和(自身を除く): 44900496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 49, 56, 57, 76, 84, 98, 112, 114, 133, 147, 152, 168, 196, 228, 266, 294, 304, 336, 392, 399, 456, 463, 532, 588, 784, 798, 912, 926, 931, 1064, 1176, 1389, 1596, 1852, 1862, 2128, 2352, 2778, 2793, 3192, 3241, 3704, 3724, 5556, 5586, 6384, 6482, 7408, 7448, 8797, 9723, 11112, 11172, 12964, 14896, 17594, 19446, 22224, 22344, 22687, 25928, 26391, 35188, 38892, 44688, 45374, 51856, 52782, 61579, 68061, 70376, 77784, 90748, 105564, 123158, 136122, 140752, 155568, 181496, 184737, 211128, 246316, 272244, 362992, 369474, 422256, 431053, 492632, 544488, 738948, 862106, 985264, 1088976, 1293159, 1477896, 1724212, 2586318, 2955792, 3448424, 5172636, 6896848, 10345272, 20690544]

約数ペア:

[(1, 20690544), (2, 10345272), (3, 6896848), (4, 5172636), (6, 3448424), (7, 2955792), (8, 2586318), (12, 1724212), (14, 1477896), (16, 1293159), (19, 1088976), (21, 985264), (24, 862106), (28, 738948), (38, 544488), (42, 492632), (48, 431053), (49, 422256), (56, 369474), (57, 362992), (76, 272244), (84, 246316), (98, 211128), (112, 184737), (114, 181496), (133, 155568), (147, 140752), (152, 136122), (168, 123158), (196, 105564), (228, 90748), (266, 77784), (294, 70376), (304, 68061), (336, 61579), (392, 52782), (399, 51856), (456, 45374), (463, 44688), (532, 38892), (588, 35188), (784, 26391), (798, 25928), (912, 22687), (926, 22344), (931, 22224), (1064, 19446), (1176, 17594), (1389, 14896), (1596, 12964), (1852, 11172), (1862, 11112), (2128, 9723), (2352, 8797), (2778, 7448), (2793, 7408), (3192, 6482), (3241, 6384), (3704, 5586), (3724, 5556)]