20726472

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66431}}^1$

素因数の和:66453

約数の個数: 32

約数和(自身を含む): 55802880

約数和(自身を除く): 35076408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66431, 132862, 199293, 265724, 398586, 531448, 797172, 863603, 1594344, 1727206, 2590809, 3454412, 5181618, 6908824, 10363236, 20726472]

約数ペア:

[(1, 20726472), (2, 10363236), (3, 6908824), (4, 5181618), (6, 3454412), (8, 2590809), (12, 1727206), (13, 1594344), (24, 863603), (26, 797172), (39, 531448), (52, 398586), (78, 265724), (104, 199293), (156, 132862), (312, 66431)]