20124115

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 29111040

約数和(自身を除く): 8986925

約数列:

[1, 5, 11, 29, 31, 37, 55, 121, 145, 155, 185, 319, 341, 407, 605, 899, 1073, 1147, 1595, 1705, 2035, 3509, 3751, 4477, 4495, 5365, 5735, 9889, 11803, 12617, 17545, 18755, 22385, 33263, 49445, 59015, 63085, 108779, 129833, 138787, 166315, 365893, 543895, 649165, 693935, 1829465, 4024823, 20124115]

約数ペア:

[(1, 20124115), (5, 4024823), (11, 1829465), (29, 693935), (31, 649165), (37, 543895), (55, 365893), (121, 166315), (145, 138787), (155, 129833), (185, 108779), (319, 63085), (341, 59015), (407, 49445), (605, 33263), (899, 22385), (1073, 18755), (1147, 17545), (1595, 12617), (1705, 11803), (2035, 9889), (3509, 5735), (3751, 5365), (4477, 4495)]