20124325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3259}}^1$

素因数の和:3301

約数の個数: 24

約数和(自身を含む): 28296800

約数和(自身を除く): 8172475

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 3259, 6175, 16295, 42367, 61921, 81475, 211835, 309605, 804973, 1059175, 1548025, 4024865, 20124325]

約数ペア:

[(1, 20124325), (5, 4024865), (13, 1548025), (19, 1059175), (25, 804973), (65, 309605), (95, 211835), (247, 81475), (325, 61921), (475, 42367), (1235, 16295), (3259, 6175)]