201904820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{776557}}^1$

素因数の和:776579

約数の個数: 24

約数和(自身を含む): 456616104

約数和(自身を除く): 254711284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 776557, 1553114, 3106228, 3882785, 7765570, 10095241, 15531140, 20190482, 40380964, 50476205, 100952410, 201904820]

約数ペア:

[(1, 201904820), (2, 100952410), (4, 50476205), (5, 40380964), (10, 20190482), (13, 15531140), (20, 10095241), (26, 7765570), (52, 3882785), (65, 3106228), (130, 1553114), (260, 776557)]