20803922027

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1\times {\mathrm{839}}^1$

素因数の和:1763

約数の個数: 32

約数和(自身を含む): 24983562240

約数和(自身を除く): 4179640213

約数列:

[1, 7, 23, 161, 233, 661, 839, 1631, 4627, 5359, 5873, 15203, 19297, 37513, 106421, 135079, 154013, 195487, 554579, 1078091, 1368409, 3542299, 3882053, 4496201, 12755317, 24796093, 31473407, 89287219, 129216907, 904518349, 2971988861, 20803922027]

約数ペア:

[(1, 20803922027), (7, 2971988861), (23, 904518349), (161, 129216907), (233, 89287219), (661, 31473407), (839, 24796093), (1631, 12755317), (4627, 4496201), (5359, 3882053), (5873, 3542299), (15203, 1368409), (19297, 1078091), (37513, 554579), (106421, 195487), (135079, 154013)]