20682243

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 11069757

約数列:

[1, 3, 9, 27, 53, 97, 149, 159, 291, 447, 477, 873, 1341, 1431, 2619, 4023, 5141, 7897, 14453, 15423, 23691, 43359, 46269, 71073, 130077, 138807, 213219, 390231, 766009, 2298027, 6894081, 20682243]

約数ペア:

[(1, 20682243), (3, 6894081), (9, 2298027), (27, 766009), (53, 390231), (97, 213219), (149, 138807), (159, 130077), (291, 71073), (447, 46269), (477, 43359), (873, 23691), (1341, 15423), (1431, 14453), (2619, 7897), (4023, 5141)]