20620996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{1277}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 39505536

約数和(自身を除く): 18884540

約数列:

[1, 2, 4, 11, 22, 44, 367, 734, 1277, 1468, 2554, 4037, 5108, 8074, 14047, 16148, 28094, 56188, 468659, 937318, 1874636, 5155249, 10310498, 20620996]

約数ペア:

[(1, 20620996), (2, 10310498), (4, 5155249), (11, 1874636), (22, 937318), (44, 468659), (367, 56188), (734, 28094), (1277, 16148), (1468, 14047), (2554, 8074), (4037, 5108)]