20270770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{739}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 39533760

約数和(自身を除く): 19262990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 739, 1055, 1478, 2110, 2743, 3695, 5486, 7390, 9607, 13715, 19214, 27430, 48035, 96070, 155929, 311858, 779645, 1559290, 2027077, 4054154, 10135385, 20270770]

約数ペア:

[(1, 20270770), (2, 10135385), (5, 4054154), (10, 2027077), (13, 1559290), (26, 779645), (65, 311858), (130, 155929), (211, 96070), (422, 48035), (739, 27430), (1055, 19214), (1478, 13715), (2110, 9607), (2743, 7390), (3695, 5486)]