20762365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 28153440

約数和(自身を除く): 7391075

約数列:

[1, 5, 13, 37, 65, 89, 97, 185, 445, 481, 485, 1157, 1261, 2405, 3293, 3589, 5785, 6305, 8633, 16465, 17945, 42809, 43165, 46657, 112229, 214045, 233285, 319421, 561145, 1597105, 4152473, 20762365]

約数ペア:

[(1, 20762365), (5, 4152473), (13, 1597105), (37, 561145), (65, 319421), (89, 233285), (97, 214045), (185, 112229), (445, 46657), (481, 43165), (485, 42809), (1157, 17945), (1261, 16465), (2405, 8633), (3293, 6305), (3589, 5785)]