20830173

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 35035392

約数和(自身を除く): 14205219

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 1861, 3731, 5583, 11193, 13027, 24193, 39081, 72579, 76301, 169351, 228903, 508053, 534107, 991913, 1602321, 2975739, 6943391, 20830173]

約数ペア:

[(1, 20830173), (3, 6943391), (7, 2975739), (13, 1602321), (21, 991913), (39, 534107), (41, 508053), (91, 228903), (123, 169351), (273, 76301), (287, 72579), (533, 39081), (861, 24193), (1599, 13027), (1861, 11193), (3731, 5583)]