20654676

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1301}}^1$

素因数の和:1331

約数の個数: 90

約数和(自身を含む): 62859258

約数和(自身を除く): 42204582

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1301, 1323, 1764, 2268, 2602, 2646, 3903, 3969, 5204, 5292, 7806, 7938, 9107, 11709, 15612, 15876, 18214, 23418, 27321, 35127, 36428, 46836, 54642, 63749, 70254, 81963, 105381, 109284, 127498, 140508, 163926, 191247, 210762, 245889, 254996, 327852, 382494, 421524, 491778, 573741, 737667, 764988, 983556, 1147482, 1475334, 1721223, 2294964, 2950668, 3442446, 5163669, 6884892, 10327338, 20654676]

約数ペア:

[(1, 20654676), (2, 10327338), (3, 6884892), (4, 5163669), (6, 3442446), (7, 2950668), (9, 2294964), (12, 1721223), (14, 1475334), (18, 1147482), (21, 983556), (27, 764988), (28, 737667), (36, 573741), (42, 491778), (49, 421524), (54, 382494), (63, 327852), (81, 254996), (84, 245889), (98, 210762), (108, 191247), (126, 163926), (147, 140508), (162, 127498), (189, 109284), (196, 105381), (252, 81963), (294, 70254), (324, 63749), (378, 54642), (441, 46836), (567, 36428), (588, 35127), (756, 27321), (882, 23418), (1134, 18214), (1301, 15876), (1323, 15612), (1764, 11709), (2268, 9107), (2602, 7938), (2646, 7806), (3903, 5292), (3969, 5204)]