20156164964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{449}}^1\times {\mathrm{2003}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 38178604800

約数和(自身を除く): 18022439836

約数列:

[1, 2, 4, 13, 26, 52, 431, 449, 862, 898, 1724, 1796, 2003, 4006, 5603, 5837, 8012, 11206, 11674, 22412, 23348, 26039, 52078, 104156, 193519, 387038, 774076, 863293, 899347, 1726586, 1798694, 2515747, 3453172, 3597388, 5031494, 10062988, 11222809, 11691511, 22445618, 23383022, 44891236, 46766044, 387618557, 775237114, 1550474228, 5039041241, 10078082482, 20156164964]

約数ペア:

[(1, 20156164964), (2, 10078082482), (4, 5039041241), (13, 1550474228), (26, 775237114), (52, 387618557), (431, 46766044), (449, 44891236), (862, 23383022), (898, 22445618), (1724, 11691511), (1796, 11222809), (2003, 10062988), (4006, 5031494), (5603, 3597388), (5837, 3453172), (8012, 2515747), (11206, 1798694), (11674, 1726586), (22412, 899347), (23348, 863293), (26039, 774076), (52078, 387038), (104156, 193519)]