20201651105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1237}}^1\times {\mathrm{1669}}^1$

素因数の和:3033

約数の個数: 32

約数和(自身を含む): 25801900800

約数和(自身を除く): 5600249695

約数列:

[1, 5, 19, 95, 103, 515, 1237, 1669, 1957, 6185, 8345, 9785, 23503, 31711, 117515, 127411, 158555, 171907, 637055, 859535, 2064553, 2420809, 3266233, 10322765, 12104045, 16331165, 39226507, 196132535, 212648959, 1063244795, 4040330221, 20201651105]

約数ペア:

[(1, 20201651105), (5, 4040330221), (19, 1063244795), (95, 212648959), (103, 196132535), (515, 39226507), (1237, 16331165), (1669, 12104045), (1957, 10322765), (6185, 3266233), (8345, 2420809), (9785, 2064553), (23503, 859535), (31711, 637055), (117515, 171907), (127411, 158555)]