20199766503

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{134399}}^1$

素因数の和:134847

約数の個数: 32

約数和(自身を含む): 32668876800

約数和(自身を除く): 12469110297

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 421, 1263, 2947, 7157, 8841, 21471, 50099, 134399, 150297, 403197, 940793, 2284783, 2822379, 6854349, 15993481, 47980443, 56581979, 169745937, 396073853, 961893643, 1188221559, 2885680929, 6733255501, 20199766503]

約数ペア:

[(1, 20199766503), (3, 6733255501), (7, 2885680929), (17, 1188221559), (21, 961893643), (51, 396073853), (119, 169745937), (357, 56581979), (421, 47980443), (1263, 15993481), (2947, 6854349), (7157, 2822379), (8841, 2284783), (21471, 940793), (50099, 403197), (134399, 150297)]