20726328

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1153}}^1$

素因数の和:1276

約数の個数: 64

約数和(自身を含む): 59823360

約数和(自身を除く): 39097032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 107, 168, 214, 321, 428, 642, 749, 856, 1153, 1284, 1498, 2247, 2306, 2568, 2996, 3459, 4494, 4612, 5992, 6918, 8071, 8988, 9224, 13836, 16142, 17976, 24213, 27672, 32284, 48426, 64568, 96852, 123371, 193704, 246742, 370113, 493484, 740226, 863597, 986968, 1480452, 1727194, 2590791, 2960904, 3454388, 5181582, 6908776, 10363164, 20726328]

約数ペア:

[(1, 20726328), (2, 10363164), (3, 6908776), (4, 5181582), (6, 3454388), (7, 2960904), (8, 2590791), (12, 1727194), (14, 1480452), (21, 986968), (24, 863597), (28, 740226), (42, 493484), (56, 370113), (84, 246742), (107, 193704), (168, 123371), (214, 96852), (321, 64568), (428, 48426), (642, 32284), (749, 27672), (856, 24213), (1153, 17976), (1284, 16142), (1498, 13836), (2247, 9224), (2306, 8988), (2568, 8071), (2996, 6918), (3459, 5992), (4494, 4612)]