20125623

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4721}}^1$

素因数の和:4767

約数の個数: 24

約数和(自身を含む): 32298480

約数和(自身を除く): 12172857

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4721, 14163, 33047, 99141, 136909, 231329, 410727, 693987, 958363, 2875089, 6708541, 20125623]

約数ペア:

[(1, 20125623), (3, 6708541), (7, 2875089), (21, 958363), (29, 693987), (49, 410727), (87, 231329), (147, 136909), (203, 99141), (609, 33047), (1421, 14163), (4263, 4721)]