20648998657

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{8069}}^1$

素因数の和:8437

約数の個数: 32

約数和(自身を含む): 25286860800

約数和(自身を除く): 4637862143

約数列:

[1, 7, 19, 71, 133, 271, 497, 1349, 1897, 5149, 8069, 9443, 19241, 36043, 56483, 134687, 153311, 365579, 572899, 1073177, 2186699, 2559053, 4010293, 10885081, 15306893, 41547281, 76195567, 155255629, 290830967, 1086789403, 2949856951, 20648998657]

約数ペア:

[(1, 20648998657), (7, 2949856951), (19, 1086789403), (71, 290830967), (133, 155255629), (271, 76195567), (497, 41547281), (1349, 15306893), (1897, 10885081), (5149, 4010293), (8069, 2559053), (9443, 2186699), (19241, 1073177), (36043, 572899), (56483, 365579), (134687, 153311)]