20767572

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:278

約数の個数: 108

約数和(自身を含む): 62389236

約数和(自身を除く): 41621664

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 61, 63, 84, 98, 122, 126, 147, 183, 193, 196, 244, 252, 294, 366, 386, 427, 441, 549, 579, 588, 732, 772, 854, 882, 1098, 1158, 1281, 1351, 1708, 1737, 1764, 2196, 2316, 2562, 2702, 2989, 3474, 3843, 4053, 5124, 5404, 5978, 6948, 7686, 8106, 8967, 9457, 11773, 11956, 12159, 15372, 16212, 17934, 18914, 23546, 24318, 26901, 28371, 35319, 35868, 37828, 47092, 48636, 53802, 56742, 70638, 82411, 85113, 105957, 107604, 113484, 141276, 164822, 170226, 211914, 247233, 329644, 340452, 423828, 494466, 576877, 741699, 988932, 1153754, 1483398, 1730631, 2307508, 2966796, 3461262, 5191893, 6922524, 10383786, 20767572]

約数ペア:

[(1, 20767572), (2, 10383786), (3, 6922524), (4, 5191893), (6, 3461262), (7, 2966796), (9, 2307508), (12, 1730631), (14, 1483398), (18, 1153754), (21, 988932), (28, 741699), (36, 576877), (42, 494466), (49, 423828), (61, 340452), (63, 329644), (84, 247233), (98, 211914), (122, 170226), (126, 164822), (147, 141276), (183, 113484), (193, 107604), (196, 105957), (244, 85113), (252, 82411), (294, 70638), (366, 56742), (386, 53802), (427, 48636), (441, 47092), (549, 37828), (579, 35868), (588, 35319), (732, 28371), (772, 26901), (854, 24318), (882, 23546), (1098, 18914), (1158, 17934), (1281, 16212), (1351, 15372), (1708, 12159), (1737, 11956), (1764, 11773), (2196, 9457), (2316, 8967), (2562, 8106), (2702, 7686), (2989, 6948), (3474, 5978), (3843, 5404), (4053, 5124)]