20161993527

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{3617}}^1\times {\mathrm{15881}}^1$

素因数の和:19520

約数の個数: 32

約数和(自身を含む): 32178202560

約数和(自身を除く): 12016209033

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 3617, 10851, 15881, 32553, 47021, 47643, 97659, 141063, 142929, 206453, 423189, 428787, 619359, 1269567, 1858077, 5574231, 57441577, 172324731, 516974193, 746740501, 1550922579, 2240221503, 6720664509, 20161993527]

約数ペア:

[(1, 20161993527), (3, 6720664509), (9, 2240221503), (13, 1550922579), (27, 746740501), (39, 516974193), (117, 172324731), (351, 57441577), (3617, 5574231), (10851, 1858077), (15881, 1269567), (32553, 619359), (47021, 428787), (47643, 423189), (97659, 206453), (141063, 142929)]