20573028

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 63098112

約数和(自身を除く): 42525084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 81, 84, 94, 108, 126, 141, 162, 188, 189, 193, 252, 282, 324, 329, 378, 386, 423, 564, 567, 579, 658, 756, 772, 846, 987, 1134, 1158, 1269, 1316, 1351, 1692, 1737, 1974, 2268, 2316, 2538, 2702, 2961, 3474, 3807, 3948, 4053, 5076, 5211, 5404, 5922, 6948, 7614, 8106, 8883, 9071, 10422, 11844, 12159, 15228, 15633, 16212, 17766, 18142, 20844, 24318, 26649, 27213, 31266, 35532, 36284, 36477, 48636, 53298, 54426, 62532, 63497, 72954, 81639, 106596, 108852, 109431, 126994, 145908, 163278, 190491, 218862, 244917, 253988, 326556, 380982, 437724, 489834, 571473, 734751, 761964, 979668, 1142946, 1469502, 1714419, 2285892, 2939004, 3428838, 5143257, 6857676, 10286514, 20573028]

約数ペア:

[(1, 20573028), (2, 10286514), (3, 6857676), (4, 5143257), (6, 3428838), (7, 2939004), (9, 2285892), (12, 1714419), (14, 1469502), (18, 1142946), (21, 979668), (27, 761964), (28, 734751), (36, 571473), (42, 489834), (47, 437724), (54, 380982), (63, 326556), (81, 253988), (84, 244917), (94, 218862), (108, 190491), (126, 163278), (141, 145908), (162, 126994), (188, 109431), (189, 108852), (193, 106596), (252, 81639), (282, 72954), (324, 63497), (329, 62532), (378, 54426), (386, 53298), (423, 48636), (564, 36477), (567, 36284), (579, 35532), (658, 31266), (756, 27213), (772, 26649), (846, 24318), (987, 20844), (1134, 18142), (1158, 17766), (1269, 16212), (1316, 15633), (1351, 15228), (1692, 12159), (1737, 11844), (1974, 10422), (2268, 9071), (2316, 8883), (2538, 8106), (2702, 7614), (2961, 6948), (3474, 5922), (3807, 5404), (3948, 5211), (4053, 5076)]