20858292

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6367}}^1$

素因数の和:6397

約数の個数: 72

約数和(自身を含む): 64902656

約数和(自身を除く): 44044364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6367, 12734, 19101, 25468, 38202, 44569, 57303, 76404, 82771, 89138, 114606, 133707, 165542, 178276, 229212, 248313, 267414, 331084, 401121, 496626, 534828, 579397, 744939, 802242, 993252, 1158794, 1489878, 1604484, 1738191, 2317588, 2979756, 3476382, 5214573, 6952764, 10429146, 20858292]

約数ペア:

[(1, 20858292), (2, 10429146), (3, 6952764), (4, 5214573), (6, 3476382), (7, 2979756), (9, 2317588), (12, 1738191), (13, 1604484), (14, 1489878), (18, 1158794), (21, 993252), (26, 802242), (28, 744939), (36, 579397), (39, 534828), (42, 496626), (52, 401121), (63, 331084), (78, 267414), (84, 248313), (91, 229212), (117, 178276), (126, 165542), (156, 133707), (182, 114606), (234, 89138), (252, 82771), (273, 76404), (364, 57303), (468, 44569), (546, 38202), (819, 25468), (1092, 19101), (1638, 12734), (3276, 6367)]