20121790899

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30909049}}^1$

素因数の和:30909090

約数の個数: 16

約数和(自身を含む): 31650867200

約数和(自身を除く): 11529076301

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30909049, 92727147, 216363343, 649090029, 958180519, 2874541557, 6707263633, 20121790899]

約数ペア:

[(1, 20121790899), (3, 6707263633), (7, 2874541557), (21, 958180519), (31, 649090029), (93, 216363343), (217, 92727147), (651, 30909049)]