20474727

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2027}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 34524672

約数和(自身を除く): 14049945

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 2027, 3367, 6081, 10101, 14189, 26351, 42567, 74999, 79053, 184457, 224997, 524993, 553371, 974987, 1574979, 2924961, 6824909, 20474727]

約数ペア:

[(1, 20474727), (3, 6824909), (7, 2924961), (13, 1574979), (21, 974987), (37, 553371), (39, 524993), (91, 224997), (111, 184457), (259, 79053), (273, 74999), (481, 42567), (777, 26351), (1443, 14189), (2027, 10101), (3367, 6081)]