20198538685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{124249}}^1$

素因数の和:124369

約数の個数: 32

約数和(自身を含む): 27177948000

約数和(自身を除く): 6979409315

約数列:

[1, 5, 13, 41, 61, 65, 205, 305, 533, 793, 2501, 2665, 3965, 12505, 32513, 124249, 162565, 621245, 1615237, 5094209, 7579189, 8076185, 25471045, 37895945, 66224717, 98529457, 310746749, 331123585, 492647285, 1553733745, 4039707737, 20198538685]

約数ペア:

[(1, 20198538685), (5, 4039707737), (13, 1553733745), (41, 492647285), (61, 331123585), (65, 310746749), (205, 98529457), (305, 66224717), (533, 37895945), (793, 25471045), (2501, 8076185), (2665, 7579189), (3965, 5094209), (12505, 1615237), (32513, 621245), (124249, 162565)]