20461272

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65581}}^1$

素因数の和:65603

約数の個数: 32

約数和(自身を含む): 55088880

約数和(自身を除く): 34627608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65581, 131162, 196743, 262324, 393486, 524648, 786972, 852553, 1573944, 1705106, 2557659, 3410212, 5115318, 6820424, 10230636, 20461272]

約数ペア:

[(1, 20461272), (2, 10230636), (3, 6820424), (4, 5115318), (6, 3410212), (8, 2557659), (12, 1705106), (13, 1573944), (24, 852553), (26, 786972), (39, 524648), (52, 393486), (78, 262324), (104, 196743), (156, 131162), (312, 65581)]