20971704

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67217}}^1$

素因数の和:67239

約数の個数: 32

約数和(自身を含む): 56463120

約数和(自身を除く): 35491416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67217, 134434, 201651, 268868, 403302, 537736, 806604, 873821, 1613208, 1747642, 2621463, 3495284, 5242926, 6990568, 10485852, 20971704]

約数ペア:

[(1, 20971704), (2, 10485852), (3, 6990568), (4, 5242926), (6, 3495284), (8, 2621463), (12, 1747642), (13, 1613208), (24, 873821), (26, 806604), (39, 537736), (52, 403302), (78, 268868), (104, 201651), (156, 134434), (312, 67217)]