20008425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{739}}^1$

素因数の和:790

約数の個数: 36

約数和(自身を含む): 34960560

約数和(自身を除く): 14952135

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 361, 475, 739, 1083, 1425, 1805, 2217, 3695, 5415, 9025, 11085, 14041, 18475, 27075, 42123, 55425, 70205, 210615, 266779, 351025, 800337, 1053075, 1333895, 4001685, 6669475, 20008425]

約数ペア:

[(1, 20008425), (3, 6669475), (5, 4001685), (15, 1333895), (19, 1053075), (25, 800337), (57, 351025), (75, 266779), (95, 210615), (285, 70205), (361, 55425), (475, 42123), (739, 27075), (1083, 18475), (1425, 14041), (1805, 11085), (2217, 9025), (3695, 5415)]