20197296505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{3271}}^1\times {\mathrm{72643}}^1$

素因数の和:75936

約数の個数: 16

約数和(自身を含む): 25670646144

約数和(自身を除く): 5473349639

約数列:

[1, 5, 17, 85, 3271, 16355, 55607, 72643, 278035, 363215, 1234931, 6174655, 237615253, 1188076265, 4039459301, 20197296505]

約数ペア:

[(1, 20197296505), (5, 4039459301), (17, 1188076265), (85, 237615253), (3271, 6174655), (16355, 1234931), (55607, 363215), (72643, 278035)]