20217961803

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{392437}}^1$

素因数の和:393774

約数の個数: 16

約数和(自身を含む): 29052970016

約数和(自身を除く): 8835008213

約数列:

[1, 3, 13, 39, 1321, 3963, 17173, 51519, 392437, 1177311, 5101681, 15305043, 518409277, 1555227831, 6739320601, 20217961803]

約数ペア:

[(1, 20217961803), (3, 6739320601), (13, 1555227831), (39, 518409277), (1321, 15305043), (3963, 5101681), (17173, 1177311), (51519, 392437)]