20442968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28081}}^1$

素因数の和:28107

約数の個数: 32

約数和(自身を含む): 47177760

約数和(自身を除く): 26734792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28081, 56162, 112324, 196567, 224648, 365053, 393134, 730106, 786268, 1460212, 1572536, 2555371, 2920424, 5110742, 10221484, 20442968]

約数ペア:

[(1, 20442968), (2, 10221484), (4, 5110742), (7, 2920424), (8, 2555371), (13, 1572536), (14, 1460212), (26, 786268), (28, 730106), (52, 393134), (56, 365053), (91, 224648), (104, 196567), (182, 112324), (364, 56162), (728, 28081)]